A calculator that keeps a running history of every sum you calculate.
This calculator keeps a running tape of every sum you calculate, so you can scroll back through your session's history instead of losing track after clearing the display. It's especially useful when working through multiple related calculations.
This calculator keeps a visible running history (or 'tape') of every calculation you make during your session, so you can scroll back and check previous sums.
No, the history only persists during your current browser session - refreshing the page clears it.
Yes, use the clear history button to reset the tape at any time.
Yes, being able to see previous calculations helps you verify a sequence of sums without redoing them.
Yes, completely free with no sign-up required.