A simple application that will allow you to do a full line of a math equation. In example, it might allow you to do 2+102×3+2 = 304 which will do the exponent first, then the multiplication followed by the addition from left to right. This is the proper order of doing that above math problem, and simple calculator may not be designed for such. The calculator app will allow you to copy and paste the results of a math problem into another application to make it easier for you to not make mistakes. Calculator is available on computer, and handhelds.