CASIO 83GT & 85GT PLUS
the fx‑83GT PLUS and fx‑85GT PLUS are being replaced by the upgraded fx‑83GTX and fx‑85GTX respectively.
The Natural Display (Natural-V.P.A.M.) shows mathematical expressions like roots and fractions as they appear in your textbook, and this increases comprehension because results are easier to understand.
Used in Key Stage 3, 4 and above. It has 260 functions and is Battery powered. It has a large 10+2 digit display. New functions on the GT model are Prime Factorisation, Recurring Decimal and Verify.