Think calculator for Finance, Math, Geometry, Converter, Physic & Chemistry, Webtoolsm Date and time and more
Cost / License
- Free
- Proprietary
Application type
Platforms
- Online

Qalculate! is described as 'Multi-purpose cross-platform desktop calculator. It is simple to use but provides power and versatility normally reserved for complicated math packages, as well as useful tools for everyday needs (such as currency conversion and percent calculation)' and is a very popular Calculator in the education & reference category. There are more than 100 alternatives to Qalculate! for a variety of platforms, including Android, Mac, Windows, Web-based and iPhone apps. The best Qalculate! alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Qalculate! are OpenCalc, Soulver, fxSolver and Numbat.
Think calculator for Finance, Math, Geometry, Converter, Physic & Chemistry, Webtoolsm Date and time and more






A graphical scientific calculator that is easy to use and has some advanced functionality such as vector arithmetic and variable solving.







Numlex turns everyday thoughts into live calculations. Write naturally, work with currencies, units, dates, weather, and math functions, then reuse numerical answers as live tokens. A native, open-source math notepad built for macOS.



A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like:

Numby transforms how you calculate. Express math naturally, convert units and currencies, track your work, and share results beautifully - all in one place.




Console Calculator is a powerful calculator with a simple console interface. This calculator supports many built-in mathematical functions, remembers recent entries, supports creation of user defined variables and custom functions.



FP Calculator is a calculator app for iPad&iPhone, which includes basic calculations, scientific calculations, and currency conversion functions.






TTCalc is an open source bignum mathematical calculator. It features arithmetical functions, trigonometric functions, inverse trigonometric functions, hyperbolic functions, inverse hyperbolic functions, logical operators, logarithms, functions for converting between degrees and...


