Do you know which is the best scientific calculator? The fastest? And Most recommended? It's the Casio FX-991EX Classwiz. Equipped with a menu-driven interface, QR code feature, natural textbook display and 552 functions. FX-991EX Classwiz is a must have for all freshers who are about to start their colleges soon. #CasioClassWiz #fastest | Casio Calculators India
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