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

Numerical Using fx-82AU PLUS II or fx-100AU PLUS

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