Instructions
Calculator
How to use
Press the keys or type on the keyboard. Each calculation is added to the history when you press =.
Press the keys or type on the keyboard. Each calculation is added to the history when you press =.
Supported input
Four operations, percent and sign change. Up to 15 digits in, 12 significant digits out. Operations run in the order pressed.
Input example
12 × 3 + 4 =
Result example
40
Troubleshooting
If it stops responding, reload the page. If there is no sound, check the device volume and silent mode.
Limitations
No brackets, operator precedence or scientific functions. The history is not saved.
How it works
A large-key calculator for the four operations and percent, with a running history. Four operations, percent and sign change. Up to 15 digits in, 12 significant digits out. Operations run in the order pressed.
Units & precision
Four operations, percent and sign change. Up to 15 digits in, 12 significant digits out. Operations run in the order pressed.