fxSolver
SpeedCrunch
WolframAlpha
Qalculate!
Soulver
Numi App
Wolfram Mathematica
Photomath
Comfort Keys Pro
Free Virtual Keyboard
Hot Virtual Keyboard
On-Screen Keyboard Portable
Onboard on-screen keyboard
Microsoft On-Screen Keyboard
Zemana AntiLogger
Dasher
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.
fxSolver Comfort Keys ProSpeedCrunch - 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.
On-Screen Keyboard Portable - a virtual keyboard to go