Free Calculator

Kalkules - Universal Scientific Calculator

Kalkules - Scientific CalculatorKalkules (obviously derived from calculus calculator) is a Free and Portable Universal Scientific Calculator created by Jardo. This freeware calculator can evaluate whole expressions, draw function graphs, calculate in four number systems, with fractions, or polynomials and more.

SpeedCrunch - Portable Calculator

SpeedCrunch - A Portable CalculatorSpeedCrunch is a Free Portable Calculator. Simply type the expression you want to calculate using your keyboard or point and click the buttons using your mouse (and press Enter for continuation).

Calcute - Scientific Calculator

small-calcute-scientific-calculatorCalcute is a Free Scientific Tape Calculator or Expression Evaluator that can be stored and run from a USB device. Calcute supports many scientific functions, like logarithms and exponents, trigonometric and hyperbolic functions, normal and inverse.

ESBCalc - Scientific Calculator

esbcalc-scientific-calculatorESBCalc is a Free Scientific Calculator software that can be portably run from a USB drive in Windows. It supports Infix Notation, Brackets, Scientific Functions (Trigonometric, Hyperbolic, Logarithmic "Base 10, Base 2 & Natural"), Memory, Paper Trail, Result History List and more.