Especially recommended for advanced GCSE, a/as level and higherReplaces the old Casio fx-991es Plus552 mathematical functionsSolar powered with battery backupFrom the manufacturerCasio fx-991EX Advanced Scientific CalculatorThe Casio fx-991EX is Casios most advanced scientific calculator with 552 mathematical functions. Approved for Key stages 3, 4 and 5, recommended for Advanced GCSE, A/AS level and Highers. Allowed in every UK exam where a calculator can be used. 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.Read moreThe UKs best-selling Advanced Scientific calculator.
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