Kalkules (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. Supports non traditional functions that a high school or college student might encounter.
SpeedCrunch 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). Expressions and calculated results are then displayed sequentially in the output Window for reference and can be copied and pasted elsewhere.
Day Maxi Calc (DMC) is another great Free Portable Calculator. Perform your calculations on a calculator with huge buttons!
This portable calculator incorporates all of your most common calculating functions. In addition DMC features large keys that are easy to read, can simulate the classic paper roll and includes printing and saving options.
Calcute 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. A complete expression can be typed just as if you were using a regular text editor. Simply type what you want to calculate, press Enter and get your answer.
ESBCalc is a freeware 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. Includes support for Prefix functions as well. Most importantly, it is a portable calculator, so you can take it with you wherever you go.
TTCalc Portable is a nice advanced Mathematical calculator. Available in both English and Polish languages TTCalc is so simple to navigate and very easy to use. It contains hyperbolic and trigonometric functions amongst many more. The portable calculator can do conversions as well.
