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Casio FC 200V FC200V 100V Financial Calculator - 14 Digits, Dual Power, New NIB 79767167004 | eBay
CASIO FC-100V Calculadora Financiera, 13.7 x 80 x 161 mm, color negro : Amazon.es: Oficina y papelería
Where is the square root button on this Casio FC 100V? The button which looks like a square root button (currently on the screen) doesn't give the square root so I have