KCalc has everything you would expect from a scientific calculator, plus:
- Trigonometric functions, logic operations and statistical calculations.
- A results stack, which enables convenient recall of previous calculation results.
- Precision is user-definable.
- The display allows cut and paste of numbers.
- The display colors and font are configurable, aiding usability.
- The use of key-bindings makes it easy to use without a pointing device.