NEW Boxed Casio FX-991CW Advanced Scientific Calculator A /AS Level Maths 540+ Functions Fast Dispatch The Casio fx-991CW is an advanced scientific calculator that is an upgraded version of the fx-991EX model, featuring a high-definition display, improved menu navigation, and over 540 functions. It displays mathematical expressions naturally, like those in textbooks, and is approved for use in all UK exams where calculators are permitted, making it suitable for advanced GCSE, A/AS level, and Higher levels. Key features include dual solar/battery power, and a hard protective cover
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