- Bootstrap (CSS framework)
- JQuery (JavaScript queryselector library)
While implementing this calculator we considered all the constraints that may cause a bugs when the user use it e.g:
- Before inserting any number the user may insert an operator like (*) or (/), but just when the user insert (-) as a pre operator the app will respond by showing it as negative number
- Decimals: you can use calculate decimal numbers using this calculator
- Clear button: there is a clear button that by clicking it