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
calculators/Casio FC-100V - calculator.org
FC 100v financial calculator. Calculators Direct - Buy calculators online
Amazon.com: Casio calculadora financiera Plata de 12 dígitos fc-100 V-um : Productos de Oficina