Free basic arithmetic calculator — add, subtract, multiply, divide and percentages.
Yes, the FGCalculator simple calculator is 100% free with no sign-up required. It works on mobile and desktop.
Yes. Type numbers 0-9, operators + - * /, press Enter for equals, Backspace to delete a digit, and Escape to clear everything.
The calculator shows "Error" instead of an invalid result. Press C to clear and continue.
