Caligator is described as 'A kickass, open-source calculator that lets you do calculations and unit conversions naturally, with features like:' and is a Calculator in the education & reference category. There are more than 100 alternatives to Caligator for a variety of platforms, including Android, Windows, iPhone, Mac and iPad apps. The best Caligator alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Caligator are Qalculate!, fxSolver, Numi and GeoGebra Scientific Calculator.
UseTool combines converter and calculator in one app and lets you customize the interface by your own taste. We tried to pick for you the most frequently converted values such as temperature, length, area, power etc.
For jotting down quick calculations. Mix free form text with calculations and see the results appear in the right hand margin as you type.
United Kingdom
Real Time Calculator is a practical browser calculator that outputs results in real time!
Chalk is a calculator that tries to do right what others do wrong. It wants to prove that a "basic" software calculator can be as handy as a real desktop calculator.
Rule of 3 Calculator is a portable tool that allows you to apply the mathematical Rule of Three in an easier, faster and more practical way!
EBTCalc is a Reverse Polish Notation (RPN) calculator that can have custom buttons. Custom buttons are programmed in Javascript with a convenient editor. EBTCalc runs on Windows 10, OSX, and Linux as well as Android. EBTCalc is open source.
MYCalc2 is a powerful RPN programmable scientific/financial/statistical/Currency convertor calculator with units conversion, 2D functions study and multiple Skins. The program allows you to build statistical distribution graphs and calculate the values of their characteristics...
Simple yet very effective calculator with print capabilities and log registration.
Canada
Pocket PC calculator for scientific and engineering purposes. This calculator is very bright and easy to use, supports more than 50 functions. The Engineering Calculator has been nominated as the Best Pocket PC Software by Pocket.at in the EUROPE POCKET PC AWARD 2002.
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United States
Free online calculators for finance, health, education & daily life. 17+ tools including loan, BMI, GPA, mortgage & more. No signup needed.
The debut product produced by Chiu Software Systems is BiM, short for "Bc iMproved". BiM is a calculator alternative to the default OS X calculator and is built on the UNIX program "bc".
A modern, scientific calculator that is easy to use. While other calculators display only one number at a time, this one shows you the whole expression you are inputting, leading to a much more user friendly experience.
