# Chalk Alternatives

Chalk is described as *'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'* and is an app. There are more than 25 alternatives to Chalk for a variety of platforms, including Windows, Linux, Mac, Android and iPad. The best alternative is SpeedCrunch, which is both free and Open Source. Other great apps like Chalk are Numi, Windows Calculator, GNOME Calculator and RealCalc Scientific Calculator.

- Free • Open Source
- Mac
- Windows
- Linux
- PortableApps.com

SpeedCrunch is a free, fast, high precision open source algebraic calculator with an intuitive interface and many features, such as variables, syntax highlighting, functions, persistent input history & more.

Numi is a handy calculator app for macOS. It allows to describe tasks the natural way and instantly get an accurate answer. For example, $20 in euro - 5% discount or today + 2 weeks.

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.

Calculator is an application that solves mathematical equations and is suitable as a default application in a GNOME Desktop environment.

RealCalc Scientific Calculator.

- Free • Open Source
- Online
- Android
- iPhone
- Android Tablet
- iPad

Free online scientific calculator from GeoGebra: perform calculations with fractions, statistics and exponential functions, logarithms, trigonometry and much more!

Multi Sum Calculator is a portable tool that calculates the sum of multiple values!

Kalk is a convergent calculator application built with the Kirigami framework. Although it is mainly targeted for mobile Linux platforms, it can also be used on the desktop.

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

XCALC is my little RPN calculator completely free to use, and still downloadable. XCALC is now a DEAD project. No work has been done on this project since 2012, and nothing more will be done either.

⚫︎ PortableDiscontinued

XCALC is now a DEAD project per homepage, but it is still downloadable.