This is a calculator which performs the basic calculations(+,*,-,/). It also includes a button for calculating percentage. The user can also click the 'Dark mode' button to switch the calculator UI from light mode to dark mode.
- backspace-for erasing the last integer entered, helpful when user makes a mistake.
- CLR-clears the whole calculation
- ','-can be used when working with decimal numbers
- dark mode-switches UI from lightmode to darkmode