Cymath vs Xcas

Cymath solves math problems step by step using artificial intelligence and heuristics, with coverage of algebra, calculus and graphing on Android, iOS and the web. Algebra topics include equation solving, factoring, logarithms, exponents, complex numbers, quadratic equations, trigonometry, partial fraction decomposition and polynomial division. Calculus includes product, quotient and chain rules, along with u-substitution, integration by parts and trigonometric substitution. Graphing features can generate graphs and identify intercepts, asymptotes, domains and ranges. The website also offers practice problems in pre-algebra, fractions, algebra and calculus, with full solutions and steps. On iOS, a user can capture a problem with the camera instead of typing it. The free plan provides step-by-step solutions. Cymath Plus costs $5 a month and adds ad-free use, detailed sub-steps and explanations on most problems, bookmarks, solution history, definitions and examples; cancellation is available at any time.

Xcas is a free interface for computer algebra, geometry, graphs, spreadsheets, statistics, and programming. Its symbolic tools include arbitrary-precision arithmetic, polynomial operations, simplification, equation solving, calculus, and linear algebra. Users can build programmable dynamic 2-D geometry and work with 3-D geometry and graphs. The spreadsheet supports relative and absolute references, formal objects in cells, and one- and two-dimensional statistics, including regressions. Programming features include functions, variables, tests, loops, an editor, a debugger, and C-like, Maple, MuPAD, and TI89 syntax modes. Xcas runs on Android, iOS, Linux, macOS, web, and Windows. The browser version can work locally without installation or an internet connection, though it is less complete and slower than compiled desktop versions. The Giac library can be used from C++, Python, Java, and JavaScript programs; the site also describes LaTeX and TeXmacs interfaces. Xcas is free under GPL3, but commercial software inclusion requires contacting the makers about a dual license. The site offers tutorials, guides, a forum, and documentation, which it calls incomplete on its English overview.