Casio FC-200 - Financial Consultant calculator from 1987 - YouTube
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
Eddie's Math and Calculator Blog: Retro Review: Casio FC-100 Financial Calculator
Amazon.com : Casio FC-200V Financial Calculator with 4-Line Display : Financial & Business Office Calculators : Office Products