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SC131 Converting between units of measurement on a Casio fx-100AU PLUS 2nd Edition Scientific Calculator

This short video shows how to use a Casio fx-100AU PLUS 2nd Edition to perform conversions between frequently used units of measurement.


SC112 Calculating the GCD and LCM of integers using a Casio 2nd Edition fx-82AU PLUSII or fx-100AU PLUS Scientific Calculator

This short video shows how to find the greatest common devisor (GCD) and lowest common multiple (LCM) of two integer, using a Casio 2nd Edition fx-82AU PLUSII or fx-100AU PLUS Scientific Calculator.


As Big As Can Be

The introductory videos introduce students to a complete unit of work, a study of quadratic functions. The unit starts with a geometric optimisation problem (paper folding) that prompts students to ask the question “is that as big as can be?” …


SC511 Verifying the truth of numerical statements using a Casio 2nd edition fx-82AU PLUSII or fx-100AU PLUS scientific calculator

This short video shows how to verify the truth, or otherwise, of numerical statements, using a Casio 2nd edition fx-82AU PLUSII or fx-100AU PLUS scientific calculator. The verification is performed on an exact trigonometric ratio and a surd simplification.


SC322 Equation of exponential model of ‘best fit’ using a Casio 2nd edition fx-82AU PLUSII or fx-100AU PLUS scientific calculator

This short video shows how to calculate the equation of the exponential model of ‘best fit’, using a Casio 2nd edition fx-82AU PLUSII or fx-100AU PLUS scientific calculator. This calculation is performed on atmospheric carbon data. Comparison is made with …


SC321 Equation of regression line of best fit using a Casio 2nd edition fx-82AU PLUSII or fx-100AU PLUS scientific calculator

This short video shows how to calculate the equation of the regression line of ‘best fit’, using a Casio 2nd edition fx-82AU PLUSII or fx-100AU PLUS scientific calculator. This calculation is performed on length of spring under suspension data. An …


SC312 Summary statistics frequency table using a Casio 2nd edition fx-82AU PLUSII or fx-100AU PLUS scientific calculator

This short video shows how to calculate univariate summary statistics using a Casio 2nd edition fx-82AU PLUSII or fx-100AU PLUS scientific calculator. Calculated are the mean, standard deviation and five number summary of the outcomes of a probability experiment in …


SC311 Summary statistics raw data using Casio 2nd edition fx-82AU PLUSII or fx-100AU PLUS scientific calculator

This short video shows how to calculate univariate summary statistics using a Casio 2nd edition fx-82AU PLUSII or fx-100AU PLUS scientific calculator. Calculated are the mean and median of raw rental data.  


SC121 Generating random numbers using the 2nd Edition fx-82/100AU PLUS

This short video shows how to generate random numbers, using a Casio 2nd Edition fx-82/100AU PLUS. The generation of uniformly distributed pseudo random integers is used to investigate a probabilistic scenario, the outcome of summing three four-sided dice repeatedly.

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SC111 Prime Factorisation using the 2nd Edition fx-82/100AU PLUS

This short video shows how to find the prime factorisation of an integer, using a Casio fx-82/100AU PLUS. This powerful mathematical representation is then used to determine how many divisors two integers have, as well as their greatest common divisor.

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Seeing double (ClassPad)

This is a replacement unit introducing algebraic identities including the distributive law, perfect squares and the difference of two squares, general binomial expansion and factorisation and completing the square. The unit exploits the world of animation to reinforce student’s notion of variable. The unit comes with pre-made ClassPad files that sequentially build up animated paddocks that confront student’s notions of equivalence. They are then challenge to express this equivalence symbolically and from this the algebraic identities flow. The unit also includes ‘drill’ sections to assist students in the automation of these most important algebraic skills.

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CG515 Changing a graph’s View Window

This short video shows how to change a graph’s View Window, using the Graph app of a CASIO fx-CG series graphics calculator, and discusses some of the advantages and disadvantages of different View Window settings. CG20 AU and CG50 AU versions are presented.

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CG514 Finding x and y values using a graph

This short video shows how to determine a function’s x and y values from its graph, using the Graph app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

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CG601 Drawing a ‘dynamic’ graph

This short video shows how to draw an animated ‘dynamic’ graph showing the effect of changing a parameter upon the graph of a function, using the Dyna Graph app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented. In particular, the effect of changing the gradient value “m” in a linear function of the form y=mx+c is addressed.

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Working with measurement in 3D – Explore and Think – with the fx-CG20 AU

This Explore and Think activity presents a different take on the measurement of volume and the study of solids. Inspired by some of Australia’s most iconic scultures, cones and cylinders take on a whole new dimension.

These simple shapes lead to some complex and interesting analysis involving trigonometry and, ultmately, to the errors and issues that arise in the interaction between two and three dimensions.

EAT activities include student worksheets accompanied by solutions/teacher notes that feature step-by-step support for the use of the CASIO fx-CG20 AU.

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Continued fractions – Explore and Think – with the fx-CG20 AU

In this Explore and Think activity students go on a journey through their investigation of continued fractions. This journey has the potential to feature such highlights as recursion and convergence, the fibonacci sequence and phi, quadratic equations and similarity. It could be a short stroll or an epic adventure, depending on its treatment.
EAT activities include student worksheets accompanied by solutions/teacher notes that feature step-by-step support for the use of the CASIO fx-CG20 AU.

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Simulating a random process – Explore and Think – with the fx-CG20 AU

In this Explore and Think activity students utilise the ability of handheld technology to easily model random processes. In this case the generation of random integers lets students explore the likely outcomes of two conflicting strategies in a game of chance. The evaluation of the desirability of these strategies can be based on experimental probability values, or can lead into an analysis of the probability of compound events.
EAT activities include student worksheets accompanied by solutions/teacher notes that feature step-by-step support for the use of the CASIO fx-CG20 AU.

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Stacked Exponents – Explore and Think – with the fx-CG20 AU

This Explore and Think activities looks at truly BIG numbers, and explores the idea of a “stacked exponent”, how big such numbers are and how they are calculated.
EAT activities include student worksheets accompanied by solutions/teacher notes that feature step-by-step support for the use of the CASIO fx-CG20 AU.

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Mental-jaunt #1 (Feb 14, 2013)

To students (of all ages):

**jaunt (noun)**
a short excursion or journey for pleasure

**mental-jaunt (noun)**
a short mental excursion or mental journey for pleasure, nothing too heavy!

Have a go at mental-jaunt #1 – a wee journey with numbers.

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Mental-jaunt #2 (February 4, 2014)

jaunt (noun) a short excursion or journey for pleasure mental-jaunt (noun) a short mental excursion or mental journey for pleasure, nothing too heavy! Mental-jaunts are trails that will evoke certain ways of thinking that are very helpful both in understanding more complex …

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Generosity – an approach to fractions and percentages.

This unit uses the context of generosity to introduce a need to have a fractional way of thinking about something.

It develops a way of thinking about fractions – the for-every idea – that is the elusive multiplicative model.

Developed over about 5 years, this approach has been tried and seems to work. 🙂


Flow – Ideas that underpin Differential Calculus

Presented here is a tried and proven three to five lesson sequence that begins with an engaging real-world context and grows students from the idea of average rate of change to instantaneous rate of change.

It is accessible to any student who has an understanding of average and gradient.

In this collection of resources you will find: a) a three-part introductory video (I, IIa and IIb), which structures the sequence of learning, b) two support video that shows “how to” do the technical stuff on the CG 20 AU.

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Pigs, Pens and Mathematics

Pigs, pens and mathematics is a two to four lesson, tried and proven, activity that moves students from measurement-thinking to functional-thinking with the help a simple but rarely used idea – do not evaluate a calculation.
A small, but authentic and enlightening use of electronic technology is made.
It would fit perfectly in a measurement topic at any of the years 8 to 11.
In this collection of resources you will find:
a) a two-part introductory video, that can be played to the class to kick things off,
b) one support video that shows “how to” do the technical stuff on the CG 20 AU,
c) one support video that explores the mathematical ideas that can be developed with the help of the technology,
d) one ‘task sheet’ for students to work on after watching the videos or being instructed by the teacher,
e) a complete ‘unit of work’ that allows students to consolidate the mathematical ideas and skills they have learned.

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Cup Snakes – Describing Linear Change

A video introduction presents the mathematics of cup snakes, a hands on phenomena involving additive change that gives rise to a way to think about linear growth. Modeling this phenomena theoretically, with the help of two cups, and through data, with the help of many, many cups, these videos give rise to some of the big ideas around developing and using linear algebraic models to describe additive bi-variate change. These ideas are then unpacked in the accompanying ‘chapter replacement’ booklet.


Continued fractions – Explore and Think

In this Explore and Think activity students go on a journey through their investigation of continued fractions. This journey has the potential to feature such highlights as recursion and convergence, the fibonacci sequence and phi, quadratic equations and similarity. It could be a short stroll or an epic adventure, depending on its treatment.

EAT activities include student worksheets accompanied by solutions/teacher notes that feature step-by-step support for the use of the CASIO fx-82AU PLUS.

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Stacked Exponents – Explore and Think

This Explore and Think activities looks at truely BIG numbers, and explores the idea of a “stacked exponent”, how big such numbers are and how they are calculated.

EAT activities include student worksheets accompanied by solutions/teacher notes that feature step-by-step support for the use of the CASIO fx-82AU PLUS.

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Simulating a random process – Explore and Think

In this Explore and Think activity students utilise the ability of handheld technology to easily model random processes. In this case the generation of random integers lets students explore the likely outcomes of two conflicting strategies in a game of chance. The evaluation of the desirability of these stategies can be based on experimental probability values, or can lead into an analysis of the probability of compound events.

EAT activities include student worksheets accompanied by solutions/teacher notes that feature step-by-step support for the use of the CASIO fx-82AU PLUS.

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CG215 Drawing multiple boxplots of list data

This short video shows how to enter lists of data, and how to duplicate and edit these lists, using the Statistics app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

* This video stands alone but also can be viewed as Part 5 of a 5-part series of videos on working with univariate data.
* These videos cover entering and editing data, obtaining a 1-variable analysis, drawing histograms and box plot(s).
* The 5 videos are numbered CG211, CG212, … , CG215


CG214 Drawing a boxplot of list data

This short video shows how to draw a boxplot for list data using the Statistics app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

* This video stands alone but also can be viewed as Part 4 of a 5-part series of videos on working with univariate data.
* These videos cover entering and editing data, obtaining a 1-variable analysis, drawing histograms and box plot(s).
* The 5 videos are numbered CG211, CG212, … , CG215


CG213 Drawing a histogram of lists data

This short video shows how to draw a histogram of list data using the Statistics app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

* This video stands alone but also can be viewed as Part 3 of a 5-part series of videos on working with univariate data.
* These videos cover entering and editing data, obtaining a 1-variable analysis, drawing histograms and box plot(s).
* The 5 videos are numbered CG211, CG212, … , CG215


CG212 Obtaining a 1-variable analysis of list data

This short video shows how to obtain a one variable analysis for list data, including values such as mean, median, standard deviation etc, using the Statistics app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

* This video stands alone but also can be viewed as Part 2 of a 5-part series of videos on working with univariate data.
* These videos cover entering and editing data, obtaining a 1-variable analysis, drawing histograms and box plot(s).
* The 5 videos are numbered CG211, CG212, … , CG215


CG211 Entering and editing data in lists

This short video shows how to enter lists of data, and how to duplicate and edit these lists, using the Statistics app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

* This video stands alone but also can be viewed as Part 1 of a 5-part series of videos on working with univariate data.
* These videos cover entering and editing data, obtaining a 1-variable analysis, drawing histograms and box plot(s).
* The 5 videos are numbered CG211, CG212, … , CG215


CG221 Drawing a scatterplot for bivariate data

This short video shows how to draw a scatterplot for bivariate data using the Statistics app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


CG112 Calculating recursively using Ans

This short video shows how to perform recursive calculations, in this case involving compound interest, using the Ans command in the Run.Mat app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


CG113 Converting units of measurement

This short video shows how to convert measurement values like temperature and area between different units of measurement using the Run-Matrix app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

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CG111 Calculating with fractions

This short video shows how to operate with fractions using the Run.Mat app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

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CG116 Calculating GCD and LCM

This short video shows how to calculate the Greatest Common Divisor (GCD) and Lowest Common Multiple (LCM) of two integers using the Run-Matrix app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

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CGA11 Solving a system of simultaneous equations

This short video shows how to solve a system of linear simultaneous equations using the Equation app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

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CG114 Working with angles – converting to and from degrees, mins and secs

This short video shows how to convert angles measured in degrees minutes and seconds to and from angles expressed as decimals using the Run-Matrix app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

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CG712 Generate and plot a table of values

This short video shows how to generate a table of values, along with a plot of the table, for a function using the Table app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

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CG222 Finding a linear model of ‘best fit’ for bivariate data

This short video shows how to determine a line of best fit for bivariate data via a scatterplot drawn using the Statistics app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

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CG713 Using a table of values

This video shows how to use a table of values to investigate the behaviour of a function, in particular when it takes a zero value, using the Table app of a CASIO fx-CG20 AU.

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CG711 Making a table of values

This short video shows how to generate a table of values for a function using the Table app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.

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CG411 Building a spreadsheet

This short video shows you how to build a spreadsheet to hunt for Pythagorean Triads on a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


CGF12 Resetting calculator memory

This short video shows you some ways to reset the memory of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


CG151 Displaying numbers in different ways

This short video shows you how to change the setting of a CASIO fx-CG series graphics calculator so that numerical values are displayed in different ways.CG20 AU and CG50 AU versions are presented.


CG124 Investigating the sums of random numbers

This short video shows how to generate and sum two lists of (pseudo) random numbers, simulating the rolling of two six-sided dice many times, as well as how to graph this output, using the Statistics app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


CG123 Generating and graphing lists of random numbers

This short video shows how to populate a list with (pseudo) random numbers, simulating the rolling of a six-sided die many times, as well as how to graph this output, using the Statistics app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


CG122 Generating (pseudo) random numbers

This short video shows how to generate (pseudo) random numbers, both integer and otherwise, using the Run-Matrix app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


CG811 Use a recursive formula to create a table

This short video shows how to use a recursive relationship to generate a table of values using the Recursion app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


CG511 Drawing a graph

This short video shows how to draw the graph of function using the Graph app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


CG512 Obtaining graphical information

This short video shows how to obtain graphical information like x intercepts and turning points from the graph of a function drawn using the Graph app of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


Seeing double (9860)

This is a replacement unit introducing algebraic identities including the distributive law, perfect squares and the difference of two squares, general binomial expansion and factorisation and completing the square. The unit exploits the world of animation to reinforce student’s notion of variable. The unit comes with pre-made 9860 files that sequentially build up animated paddocks that confront student’s notions of equivalence. They are then challenge to express this equivalence symbolically and from this the algebraic identities flow. The unit also includes ‘drill’ sections to assist students in the automation of these most important algebraic skills.

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CGF11 Transferring Memory Content

This short video shows you how to transfer memory content between the Main and Storage Memory of a CASIO fx-CG series graphics calculator. CG20 AU and CG50 AU versions presented.


Programs referred to in the “How Do I CODE …” book for the fx-CP400

Download the programs that accompany the book How Do I CODE on a CASIO fx-CP400.

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CP991 Computer To ClassPad Data Transfer

How to download programs, eActivities, csv files, pictures and so on into your handheld ClassPad from a Mac or Windows computer.


CP990 Update ClassPad Operating System

How to update the operating system of your hand-held ClassPad using a Windows PC.


CP985 Create A Small Program

How to create a small program on your hand held Classpad.


CP984 Example Small Programs

Five examples of small utility programs freely available from the internet are shown.


CP982 Create A Picture

A brief overview of using the Casio Picture Conversion Engine software to creating a picture for use on ClassPad II for modeling functions in Picture Plot or as an ending screen.


CP981 Ending Screens

How to set a picture as the ending screen – the picture that briefly flashes onto the screen when you turn your ClassPad off.


CP980 Modify Shift Keys

Modify the functions assigned to the shift key and save time when using your favourite commands on your Classpad.


CP953 Using PicturePlot

A brief overview of picture plot, including the use of sliders to modify function parameters.


CP952 Using InterActive DiffCalc

A brief tour of the InterActive DiffCalc app and how it can be used to explore concepts of differential calculus.


CP951 Using Conics

A brief look at the Conics app and how it can be used to determine the centre and radius of a circle.


CP946 Reducible Interest Using repayII

Using the program repayII to solve reducible interest problems. repayII is freely available from www.charliewatson.com/classpad/.


CP945 Smoothing Time Series Using mavII

Smooth time series data in the statistics app with the program mavII. Also fit a regression line and predict future values. mavII is freely available from www.charliewatson.com/classpad/.


CP940 Verify Tool In Main

Use the Verify tool in Main to check steps when manually simplifying expressions.


CP923 Financial Loan Repayment

Solve loan repayment problems in Financial, including payments, time periods and loan amounts.


CP922 Financial Compound Interest

Solve compound interest problems in Financial, including finding future values, interest rates and time required.


CP921 Financial Simple Interest

Calculate simple interest and future values in the Financial application.


CP913 Built-In Probability Simulation Tool

Use the built-in probability simulation tool in Main (or eActivity) to simulate throwing one or two dice or selecting items at random from a container.


CP912 NumSolve Tips

Learn some tips on working efficiently in NumSolve.


CP911 Using NumSolve

An introduction to using NumSolve from the Main menu in the context of the simple interest formula I=PRT/100.


CP880 Explicit From Recursive

Determine the explicit formula for a sequence from a recursive definition using Sequence RUN and the rSolve() function.


CP841 Reducible Interest

Use sequence to examine the balance of a reducible interest loan, determine total interest paid and find individual monthly interest figures.


CP840 Compound Interest

Examine the growth of money over 10 years using compound interest and also use the difference tool to find individual amounts of interest for any year.


CP803 Fibonacci Type Sequences

Create the Fibonacci Sequence, graph the first 10 terms and find the ratio of conscutive terms.


CP802 Simple Recursive Sequences

Create an arithmetic sequence, then a geometric sequence, also finding the sums of the GP.


CP801 Sequence Explicitly Defined

Create the sequence of Triangle Numbers using an explicit definition, and graph the first 12 terms.


CP800 Sequence Basics

Basic settings in the Sequence application.


CP784 Cyclic Quadrilaterals 2

Examine sum of opposite pairs of angles using the Expression tool.


CP782 Angle in a Semi-Circle 3

Examine the angle in the semi-circle using the Animation tool.


CP781 Angle in a Semi-Circle 2

Examine the angle in the semi-circle using a slider.


CP780 Animation Basics

Fast track your animation skills by animating a tangent line around a circle.


CP771 Find Transformation Matrix

Use an object and its transformed image in Geometry to determine the equivalent transformation matrix in Main.


CP770 Apply Matrix Transformation

Create a triangle in Geometry, apply a matrix transformation to the vertices in Main and view the image back in Geometry.


CP757 Modifying Labels of Objects

How to change the labels of any Geometry object using the annotation tool – eg change triangle ABC to triangle PQR.


CP756 Coordinate Geometry: Perpendicular Line

Find the equation of the line through (2, -1) perpendicular to the line 5x – 2y +6 = 0.


CP750 Using Sliders In Geometry

How to use sliders in geometry to change lengths and angles.


CP747 The Central Angle

Construct angles on the circumference and at the centre from a common chord and examine.


CP746 Tangents and Radii

Examine the angle between a tangent to a circle and a radius.


CP745 Lengths of Tangents

Construct 2 tangents to a circle from an external point and examine their lengths.


CP744 Cyclic Quadrilaterals

Construct a cyclic quadrilateral and examine sum of opposite pairs of angles.


CP743 Angles in the Same Segment

Construct 2 angles on the circumference from a common chord and examine.


CP742 Angles in the Alternate Segment

Construct a tangent to a circle and then examine angles in the alternate segment.


CP741 Angle in a Semi-Circle

Construct a diameter in a circle and then examine the angle in the semi-circle.


CP740 Diameter of a Circle

Draw a circle and construct a diameter.


CP716 Geometry – Solve Triangle 3

Construct and solve triangle ABC given all three sides.


CP715 Geometry – Solve Triangle 2

Construct and solve triangle ABC given two sides and a non-included angle.


CP714 Geometry – Solve Triangle 1

Construct and solve triangle ABC given two sides and the included angle.


CP713 Geometry – Right Triangle

Construct a right triangle and measure angles, sides, area and perimeter.


CP712 Geometry – Triangle

Draw a simple triangle and learn how to measure angles, sides, area and perimeter.


CP702 Geometry – Line Segment A To B

Draw a line segment between two points A and B and determine its length.


CP701 Geometry – Line Segment

Draw a line segment, measure its properties of length, gradient, equation.


CP700 Geometry – Basic Settings

Setting up the geometry window, including scales, displaying axes, integer grid and saving.


CP680 Geometry Link

A Geometry Link in an eActivity is used to investigate translations applied to a parabola. Other possibilities are also hinted at.


CP675 Normal Probabilities Using Solve

Create and save an eActivity to calculate ANY of the parameters (eg mean, sd, etc) involved in a normal probability question.


CP672 Average Rate Of Change Of Function

Create and save an eActivity to calculate the average rate of change of any function over a given interval.


CP641 Ambiguous Case Of Sine Rule

Examples of ways to deal with the ambiguous case of the sine rule when solving obtuse triangles.


CP633 eActivity Tips

Some tips on working within eActivities including working with text or calculation rows, deleting strips and adding strip help.


CP632 Cascade Style eActivity

Many multiple-step math problems can be programmed into an eActivity. This example uses Herons method to find the area of a triangle given three side lengths.


CP631 Add Strip Help

Strip Help is a great way to add hints on what to do within any strip in an eActivity.


CP630 File Management

Lock, Unlock, Delete, Move Folder and Rename eActivities. Also create a new folder.


CP601 Storing Formulae In eActivities

Store and solve all your commonly used formulae as strips in eActivities.


CP580 Import A CSV File

How to import external data in comma separated variable (csv) file format into the Spreadsheet app and then into the Statistics app.


CP550 Dice Simulation

Simulate throwing 120 six-sided dice in a spreadsheet and display the resulting distribution as a histogram.


CP545 Smoothing Time Series

Smooth time series data in a spreadsheet using moving averages, fit a regression line and calculate residuals.


CP544 Annuities

Use a spreadsheet to examine the balance of an annuity.


CP543 Reducible Interest

Use a spreadsheet to examine the balance of a reducible interest loan.


CP542 Compound Interest

Create a flexible Compound Interest spreadsheet using Absolute and Relative cell references and format cells to 2dp.


CP541 Simple Interest

Create a flexible Simple Interest spreadsheet using Absolute and Relative cell references and extend by copying and pasting multiple columns.


CP520 Pie Chart

Create a pie chart, determine the percentages represented by each sector and dynamically modify.


CP503 Geometric Sequence

Create a geometric sequence including the sum of terms and extend using Tap and Drag technique.


CP502 Fibonacci Sequence

Create the Fibonacci sequence, adjust columns widths, use the Fill Range command to extend the sequence and display very long integers.


CP501 Arithmetic Sequence

Create a simple sequence and then extend the spreadsheet using Cut and Paste technique.


CP500 Spreadsheet Basics

A quick introduction to the common data types – text, number and formula – and some useful spreadsheet tools.


CP476 Confidence Interval (Prop) From Summary Data

Calculate a confidence interval for a proportion from supplied summary data in the statistics application.


CP473 Confidence Interval (Mean) From Summary Data

Calculate a confidence interval for a mean from supplied summary data in the statistics application.


CP471 Inverse Normal Probability Calculations

Calculate inverse normal probabilities in Statistics using the Calc menu and Inverse Normal CD tool.


CP442 Residuals And Residual Plots

After finding a linear regression model for a bivariate data set, residuals are calculated and plotted to check suitability of linear model.


CP441 Prediction From Regression Line

Substitute a value into a recently calculated regression line to determine a predicted value.


CP440 Histogram Class Intervals

Vary the class intervals when summarising data with a histogram. Also shows use of the randList() command to create a list of random numbers.


CP412 xyLine Time Series

Create an xyLine of time series data.


CP411 Scatterplot and Regression

Create a scatterplot and then calculate and plot the least squares linear regression line through the data.


CP410 Statistical Calcs: Two Variables

Calculate two variable statistics from paired data.


CP407 Create a Histogram from a Frequency Table

Create a histogram from a frequency table.


CP406 Create a Histogram from a List

Create a histogram from a single list of scores.


CP405 Create Multiple Boxplots

Create several boxplots in a single graph to compare their distributions.


CP404 Create a Boxplot from a Frequency Table

Create a boxplot from a frequency table.


CP403 Create a Boxplot from a List

Create a boxplot from a single list of scores.


CP402 Statistical Calcs: Frequency Table

Calculate one variable statistics from a frequency table.


CP401 Statistical Calcs: From a List

Calculate one variable statistics from a single list of scores.


CP371 Parametric Graphing

Graph parametric functions using ParamType, adjust basic view window settings and become aware of some limitations.


CP370 Polar Graphing

Graph a polar function using r=Type, adjust basic view window settings and become aware of some limitations.


CP349 Area Trapped Between Graphs

Evaluate and illustrate trapped areas in Graph and Table using Analysis, G-Solve tools.


CP348 Area Trapped Between Roots of Graph

Evaluate and illustrate area trapped between x-axis and function in Graph and Table using Analysis, G-Solve tools.


CP347 Graph Of Derivative

Draw the graph of a function in y1 and automatically draw the graph of its first (and second if required) derivatives.


CP345 Linear Programming

Solve a linear programming problem with 4 constraints in Graph and Table.


CP344 Definite Integration

Evaluate and illustrate definite integrals in Graph and Table using Analysis, G-Solve tools.


CP343 Equation Of Tangent To Curve

Find the equation of the tangent to a curve in Graph and Table using the Analysis, Sketch, Tangent function.


CP342 Modify Tool

Use the Modify tool when graphing to vary the parameters of a graph. In this example we vary a and b when y = ( x + a )^2 + b.


CP341 Show Gradient When Tracing

Show the gradient of a function on screen when tracing along its graph.


CP340 Jump To An Exact Coordinate

Jump to any exact coordinate whilst tracing along one of several functions in graph.


CP306 Graph Simultaneous Equations 2 (Quadratic)

Solve y = 2 – 5x and y = -3x^2 + 4x + 2 graphically by first drawing the functions and then finding the points of intersection.


CP305 Graph Simultaneous Equations 1 (Linear)

Solve y = 3x – 4 and y = 6 – 2x graphically by first drawing the functions and then finding the points of intersection.


CP304 Graph an Exponential Function

Graph y = 4^x using the Graph & Table application, including use of Zoom facility.


CP303 Graph a Quadratic Function

Graph y = x^2 + 3x – 4 using the Graph & Table application, including setting the View Window.


CP302 Graph a Linear Function 2 (Main)

Graph 3x + 2y =12 using the Main application, including use of Resize.


CP301 Graph a Linear Function 1 (Graph)

Graph y = 2x + 3 using the Graph & Table application, including setting the View Window.


CP300 Graph and Table Settings

Important settings that should be taken in Graph & Table before trying any of the activities in this section.


CP270 Use Of dSolve In Growth And Decay Problems

Use the differential equation solver with a simple growth and decay question.


CP208 Rearranging Equations

How to express a as the subject of the equation t = 2a + 3b in Main.


CP207 Solving Simultaneous Linear Equations 3

Solve simultaneously the equations 2x – 3y = -1 and x + y = 7 using the Solve command in Main.


CP206 Solving Simultaneous Linear Equations 2

Solve simultaneously the equations 2x – 3y = -1 and x + y = 7 using the 2D simultaneous template in Main.


CP204 Solving Quadratic Equations

Solving the quadratic equation x^2 + 6x + 5 = 0 with the solve command in Main.


CP202 Solving Equations With Solve

Solve the equation 7x – 3 = 2x + 4 using the solve command in Main.


CP201 Solving Equations Step By Step

Solve the equation 7x – 3 = 2x + 4 using a traditional step by step approach in Main.


CP200 Three Actions Before Solving

Important actions that should be taken in Main before trying any of the activities in this section.


CP171 Implicit Differentiation

Find the gradient at a point of an implicitly defined function in Main.


CP170 Volume Of Revolution

Find a volume of revolution in Main and graphically.


CP142 Integration Basics

Find indefinite and definite integrals in Main using either Interactive, S or the 2D template.


CP141 Equation Of Tangent To Curve

Find the equation of the tangent to a curve in Main using the tanLine function.


CP140 Differentiation Basics

Differentiation basics in Main using either Interactive, diff or the 2D template. Also higher orders and any variable.


CP047 Angle Tips

Learn how to over-ride the selected angle setting when working with trig functions in Main.


CP051 Assign and Delete Values to Variables

Temporarily and permanently assign and delete values to variables in Main. Useful for substitution.


CP050 Random Numbers

Generate random numbers and simulate throwing dice using the rand() and randlist() functions in Main.


CP040 Rounding

Rounding to a given number of decimal places or significant figures.


CP014 HCF and LCM

Determine the Highest Common Factor or Lowest Common Multiple of two numbers.


CP013 Simplifying Algebraic Fractions

Simplification and addition of algebraic fractions


CP010 – Numeric Calculations

Some basic calculation techniques including evaluation of expressions and substitution.


CP006 Basic Editing in Main

Some basic editing methods in Main, including drag, cut, copy and paste.


CP002 Setting Up Main

Settings in Main we recommend you should make to ensure your initial experience of Classpad and these help sheets is hassle free.


CP001 Welcome and Preview

A brief welcome to ClassPad II Help Series and a preview of some of the new features and apps that come with OS2


CP005 Exploring the Keyboard

A guided tour of the most commonly used areas of the Classpad keyboard.


Managing your ClassPad II, including file transfer

A concise and clearly written summary of how to manage your ClassPad II (e.g. how to back it up) and also how to manage and transfer files (e.g. pictures, .vcp, .xcp and so on).


Programs referred to in the “How Do I CODE …” book for the fx-CG50 AU

Download the programs that accompany the book How Do I CODE on a CASIO fx-CG50AU.

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CP983 Use Library For Global Access

The library folder sits in the Other Data memory of Classpad but functions or programs stored in them are also available in eActivities.


CP400 Statistics: Basic Settings and Actions

Basic settings, inserting and deleting rows in the Statistics application.


CP203 Solving Linear Inequalities

Solving the inequality 3 – 4x > 9 using both a step by step approach and also the solve command in Main.


CP180 Vector Basics

Convert vectors between Cartesian and polar forms, find unit vectors, angle between vectors and dot products.


CP007 Simple Calculations in Main

Use of the Math and 2D tabs in entering simple calculations when in Main.


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