Expression calculator

A calculator developed in python that takes input as an expression like 21+4/47-67 and gives output according to BODMAS rule. Example: input:21+4/47-67 output:-39.0

There are two usable interface of this calculator :

1.CLI(Command line Interface)
2.GUI(Graphical User Interface)

But to run GUI you need CLI script in same directry as GUI.

ScreenShots of Both inerfaces:

        1.CLI

        2. GUI