Calculator Prompter is a math expression calculator. You can evaluate expressions like sin(cos(tan(pi)))#2%10^3 Calculator Prompter has a built-in error recognition system that helps you get correct results: - Paste operator here - Paste number here - Missing ( - Missing ) - Unknown symbol ... etc. With Calculator Prompter you can enter the whole expression including brackets and operators.You can use Calculator to perform any of the standard operations for which you would normally use a handheld calculator. Calculator performs arithmetic such as root (#) and power (^).It support standard functions and constants.It has a simple and easy-to-use interface. It is free calculator software. Try it now!.