A simple calculator is an app that is designed for basic arithmetic calculations.
It typically includes functions for addition, subtraction, multiplication, division.
Key features of a simple calculator typically include:
2 Edit Text View : For entering numbers (operands). 4 Buttons : Add, Subtract, Multiply , Divide which are clicked for their specific operation. Result: A text view that shows the result of calculations and a pop up message " Thanks for using this app".