This simple calculator was created as a school project in Qt Creator.
- All actions are done by clicking on buttons.
- Allows these mathematical operations: addition, subtraction, multiplication and division.
- Allows correction of entered number (BACK/CLEAR) and change sign of entered number (+/-).
- Supports calculations of mathematical expression with brackets.
- Whole expression can be written on one line.
- After clicking on the EQUALS button, result is displayed.