The Casio fx-85GTX is the new upgraded version of the Casio FX-85GTPLUS (the UKs best-selling dual-powered scientific calculator); containing additional features such as clearer display; clearer menus; faster processor and 14 additional functions. Allowed in every UK exam where a calculator can be used. Recommended and approved for Key Stages 3 & 4 (including GCSE; National and Higher; Junior and Leaving). The large Natural Textbook Display (Natural-V.P.A.M.) shows mathematical expressions like roots and fractions as they appear in your textbooks which increases comprehension because results are easier to understand.