fxSolver
SpeedCrunch
WolframAlpha
Qalculate!
Numi App
Soulver
Wolfram Mathematica
MATLAB
Microsoft On-Screen Keyboard
Free Virtual Keyboard
Hot Virtual Keyboard
KeyScrambler
Comfort Keys Pro
Neo's SafeKeys
SpyShelter Anti Keylogger
Zemana AntiLogger
Calculate multiple equations at once, Edit existing formulas and Create new ones, Compute large numbers of values, Plot graphs, Link your results, Solve full problems and Share worksheets with your friends.
fxSolver is a free tool developed by a team of engineers and programmers with the sole intention of providing a unique, useful and free service. The vision of the development team is to allow students, engineers, and hobbyists to come in contact with mathematics and to be able to solve problems without necessarily being familiar with professional math software or programming languages.
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SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
Free Virtual Keyboard - Free Virtual Keyboard is a free, lightweight, multilingual and finger friendly virtual keyboard.
WolframAlpha - WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.
Hot Virtual Keyboard - A replacement for Windows' built in virtual touch keyboard.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
KeyScrambler - Home of KeyScrambler, the world's most advanced anti-keylogging system.
