Yacas

Free plan

What the maker publishes

Browser demo

Yacas has an online demo that runs in a browser. source

Demo limits

The browser demo is slower than the desktop version and does not allow saving or loading. source

Demo processing

The online demo performs calculations locally in the browser using a C++ application transpiled into JavaScript/WebAssembly. source

Documentation

Documentation covers the scripting language, implemented functionality, and the algorithms used. source

Downloads

The downloads page lists source code and binary packages for Java and Linux for stable version 1.9.1. source

Jupyter

Release 1.9.1 notes that plots are implemented in the Jupyter kernel and that Jupyter integration was improved. source

Language

It uses its own programming language for symbolic and arbitrary precision numerical computations. source

Library

Its library of scripts implements many symbolic algebra operations, and new algorithms can be added to the library. source

Linux interfaces

The Linux instructions list packages for a terminal interface, graphical interface, Jupyter kernel, and development libraries. source

OpenMath

Release 1.9.1 reports fixes to the OpenMath printer and reader. source

Purpose

Yacas is a general purpose computer algebra system for symbolic manipulation of mathematical expressions. source

Support

The getting started page directs users with unanswered questions to ask them through its linked questions page. source

Windows support

The downloads archive lists Windows 7 or newer packages for older Yacas versions. source

Checked against the maker's pages on 11 Oct 2026.