The Casio fx-83GTCW is the new upgraded version of the Casio fx-83GTX, containing additional features such as a New easy to use UI (User Interface), quick navigation and access of more functionality, Intuitive key layout, High definition 4 gradation display, Durable and reliable, comfortable and easy to hold and use, QR code to display graphic representation on smartphones. 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. Other functions include: Prime factorisation, Random Integer generator, Recurring decimal display, Enhanced calculations of mathematical priorities, Square root & fraction Calculations, Degrees/minutes/seconds, Table functions, Ratio, Digit Separator, Advanced Statistics & Tables Product Weight: 0.13 kg Product Dimensions in cm (WxHxD): 7.8 x 17.4 x 1.6 Box Weight: 0.158 kg Box Dimensions in cm (WxHxD): 8.2 x 20 x 2.4