KCalc is a calculator which offers many more mathematical functions than meet the eye on a first glance.


  • The usual functionality offered by most scientific calculators
  • Trigonometric functions, logic operations, and statistical calculations.
  • Cut and paste numbers from/into its display.
  • Results-stack which lets you conveniently recall previous results.
  • Configurable display colors and font.
  • Configurable precision and the number of digits after the period.
  • Great number of useful key-bindings, making it easy to use without a pointing device.

Developed By



KCalc is distributed under the terms of the GNU General Public License (GPL), Version 2.