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
Casio FC 200V FC200V 100V Financial Calculator - 14 Digits, Dual Power, New NIB 79767167004 | eBay
Calcuadora Casio Fc 100v Financial Consultant | MercadoLibre 📦
Casio FC-200V User Manual | Page 54 / 149 | Original mode | Also for: FC- 100V
Casio Two Way Power Financial Consultant Business Calculator FC-200V with Manual 79767167004 | eBay
CASIO FC-100V Calculadora Financiera, 13.7 x 80 x 161 mm, color negro : Amazon.es: Oficina y papelería