Starting secondary school or exams coming up? You`ll be needing one of these, then. This scientific calculator has an easy-to-read screen, which should help with those not-so-easy-to-do maths problems. An upgrade on its predecessor (the UK`s best-selling scientific calculator) it`s got 14 additional functions and a faster processor.It`s accepted in every UK exam where a calculator is allowed.Suitable for Age 11+.LCD display.9 variable.Non-stick keys.16 + 10 + 2 -digit display.Auto shut-off.276 functions.Percentage key and mark up function.Recurring decimals.Prime factorisation.Algebraic logic.Regression analysis.Statistical functions.Hyperbolic.24 levels of parenthesis.Dual power source - Solar with battery back up. General information:Batteries required 1 x button cell (included) .Manufacturer`s 3 year guarantee.