fxSolver
WolframAlpha
SpeedCrunch
Qalculate!
Numi App
Soulver
Wolfram Mathematica
MATLAB
LibreOffice - Calc
Microsoft Office Excel
Google Sheets
Apple Numbers
Apache OpenOffice Calc
Gnumeric
EtherCalc
WPS Spreadsheets
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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WolframAlpha - WolframAlpha brings expert-level knowledge and capabilities to the broadest possible range of people—spanning all professions and education levels.
Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.
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 .
Google Sheets - Synchronizing, online-based word processor, part of Google Drive.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
Apple Numbers - Numbers lets you build beautiful spreadsheets on a Mac, iPad, or iPhone — or on a PC using iWork for iCloud. And it’s compatible with Apple Pencil.
