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

Features

• 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.