Casio FX-83-GT Plus scientific calculator offers you additional functions such as Verify, Prime Factorisation and Recurring Decimal. With 260 functions and the revolutionary Natural Textbook Display you are able to enter expressions as seen in text book Slide on hard plastic case Ideal for Keystages 3 & 4 and above Suitable for ages 11+ Enter expression as written in text book 260 Functions Prime fractionisation Recurring Decimal Verify Expression Easy Menu function Fraction calculations Multi-reply function Trigonometric functions Random Integer Replaces the Casio FX83ES Weight: 110g Dimensions (HxWxD): 13.7 x 80 x 161mm