A calculator with syntax highlighting that supports user-defined variables and functions, math-like syntax, and some more advanced operations such as derivation and integration (estimate), and complex numbers.



Windows Calculator is described as 'A simple yet powerful calculator that includes standard, scientific, and programmer modes, as well as a unit converter. It's the perfect tool to add up a bill, convert measurements in a recipe or other project, or complete complex math, algebra, or geometry problems' and is a Calculator in the os & utilities category. There are more than 100 alternatives to Windows Calculator for a variety of platforms, including Windows, Android, Mac, Web-based and iPhone apps. The best Windows Calculator alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Windows Calculator are Qalculate!, OpenCalc, GeoGebra Scientific Calculator and Numara Calculator.
A calculator with syntax highlighting that supports user-defined variables and functions, math-like syntax, and some more advanced operations such as derivation and integration (estimate), and complex numbers.



A Simple but elegant Calculator app made with Flutter using Google's Material Design with Currency (Exchange Rate) and Unit Converter.




Simple yet very effective calculator with print capabilities and log registration.

Calcbuddy Calculator is an easy to use scientific calculator.
The calculator features:

Totucalculator is a free, online-based calculator website that strives to improve people's efficiency by developing impactful calculators of all kinds. Currently, there are over 250 free calculators that you can use today.
A powerful tape-style calculator with editable history, instant recalculations, and smart note-taking – designed for professionals and everyday use.




RJ Calculator is a scientific calculator with most basic functions like trigonometric functions, logarithms and base conversion. Also, statistic calculations like standard deviation and regression.

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

A simple calculator and unit converter app with Material Design 3 inspired by Windows Calculator.



Calcbot is a simple and beautifully designed calculator for your iPhone, iPod touch and iPad. You’ll never open the built-in Calculator app again.







RunMath is a lightweight, keyboard-focused calculator for Windows, designed for fast and efficient mathematical operations. It supports basic and advanced calculations, unit conversions, and complex numbers, with features like calculation history, customizable themes, and...

