One of the most popular alternatives to Windows Calculator is SpeedCrunch, which is free and open source. Other popular alternatives are Qalculate!, OpenCalc, Calculator You and GeoGebra Scientific Calculator. Calculators like Windows Calculator are a crowded field, with more than 100 alternatives for Windows, Android, Mac, iPhone and the web.
A powerful, scriptable, modular calculator aimed at scientific, engineering or computing work. All features can be added, removed, and customised, and new features can be written in python.
United States
Calculator is one application for all of your devices. It will be useful for everyday and complicated arithmetic calculations. We wish you convenient operation and easy calculations.
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.
ImaginaryInfinity Calculator is an expandable calculator. It's command line interface is designed to resemble that of some graphing calculators. New functionality can easily be added by installing user created plugins.
getcalc.com is a simple, intuitive & robust Online Calculators & Converters Application to perform simple to more complex math, science, finance, engineering calculations & measurement units conversion on the go, to increase productivity.
Ad-free calculator offering basic and scientific computations, including exponents, roots, fractions, and more, with intuitive single-line input, up to 10 decimal precision, viewable and editable calculation history, customizable color themes, and no paid features.
Free, simple and easy to use online calculators you can use for work, school or personal calculations. Calculator Pro is ideal for those who need to make some quick calculations.
Liri Calculator is a cross-platform, Material Design calculator, currently in alpha stage.
Italy
EU
HEXelon MAX is a science calculator. It solves math expressions like: Sin(Pi)-Root(-8;3)+3. Exchange rates table and currency converter are update from Internet by one click. Units converter makes easier to convert various units,14 categories of units: length, temperature...
PolandEU
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.
United States
CrossCalc is day to day Scientific Calculator that can be used on all your devices. It respects your privacy and does not show any ads.
India
Calcbuddy Calculator is an easy to use scientific calculator.
The calculator features:
