Casio FX-991EX Classwiz Non-Programmable Scientific Calculator, 552 Functions with Menu Driven Interface
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Calculator Fx 991ex Hotsell, 55% OFF | www.ingeniovirtual.com
Scientific calculator CASIO fx 991EX ClassWiz with solar battery non programmable and allowed for EGE 552 functions carbon body design|Calculators| - AliExpress
CASIO FX-991EX Classwiz Advanced Scientific Calculator - 552 Functions – In Deals We Trust