This upgraded version of the Casio FX-85GTPLUS contains various additional features and fixes. The Casio FX-85GTX features a clearer display, clearer menus a faster processor and 14 additional functions. Acceptable in every UK exam that allows a calculator and perfect for assistance with any mathematical equation.With a large textbook display, mathematical expressions such as roots and fractions appear as they would within a textbook making it easier to use and understand. This upgraded version of the GTX includes several new features including but not limited to; ratio, advanced statistics and a digit separator.Ideal for use in Key Stages 3 and 4 as well as GCSE, National, Higher, Junior and Leaving levels of education.. Large clear natural textbook display/ Natural V.P.A.M. Solar powered with battery backup. Slide on hard protective case. Prime Factorisation. Enhanced calculations of mathematical priorities. Auto power off. Recurring decimal display. New features include; Ratio, Digit Seperator, Advanced Statistics, Advanced Tables and Variables List. Recommended for use within KS 3 and 4, GCSE, National and Higher, Junior and Leaving certificates. Approximate dimensions (mm) H 14 W 77 D 166