The Casio FX-85GT ClassWiz Scientific Calculator contains additional features, to include high definition display and improved menu navigation. Allowed in every UK exam where a calculator can be used. Recommended and approved for Key Stages 3 and 4 (including GCSE, National and Higher, Junior and Leaving). The large natural textbook display shows mathematical expressions like roots and fractions as they appear in your textbooks which increases comprehension because results are easier to understand. Casio FX-85GT CW ClassWiz Scientific Calculator Dual powered (solar with battery backup) with Auto Power-Off Allowed in every UK exam where a calculator can be used Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving Clip-on on protective hard cover included Large and clear high definition natural textbook display New intuitive key layout and menus Quick and easy to navigate to access 290+ functions Dimensions: 77x162x14mm