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This is a component of SPARK 2015: Those looking for the automatic theorem prover known as Alt-Ergo should refer to math/alt-ergo instead

Tomboy-LaTeX is a plugin for the desktop note-taking application Tomboy. It automatically converts LaTeX math code enclosed in \[...\] into inline images. Clicking on the image or moving the cursor over the image reveals the markup again.

This is the standalone math library from R -- a language and environment for statistical computing and graphics. See ports/math/R. To use the routines in your own C or C++ programs, include #define MATHLIB_STANDALONE #include <Rmath.h> and link against -lRmath.

Include LaTeX formatted math in your TWiki pages

Gexpr is a shell calculator with floating point, standard C functions, relational operators, and output in base 2/8/10/16. It is a light alternative to bc(1). It can also be used to add floating point math to shell scripts.

Matrix Math is software to quickly and easily compute functions of matrices of any size. It supports addition, subtraction, multiplication, inversion, division, and will support whatever else is necessary.

Physcalc is a neat mathematical calculator that does conversions from many different units in many forms, and is extremely flexible as far as specifying math problems go. You can also add your own types of conversions.

JUMP Ultimate Math Package (JUMP) is a Java-based extensible high-precision math package. Includes support for computations based on fractions. Support is included for converting to floating point numbers and BigDecimals.

numexpr - Fast numerical array expression evaluator for Python and NumPy. The numexpr package evaluates multiple-operator array expressions many times faster than NumPy can. It accepts the expression as a string, analyzes it, rewrites it more efficiently, and compiles it to faster Python code on the fly. It's the next best thing to writing the expression in C and compiling it with a specialized just-in-time (JIT) compiler, i.e. it does not require a compiler at runtime. Also, numexpr has support for the Intel VML (Vector Math Library) -- integrated in Intel MKL (Math Kernel Library) --, allowing nice speed-ups when computing transcendental functions (like trigonometrical, exponentials...) on top of Intel-compatible platforms. This support also allows to use multiple cores in your computations.

Orpie is a fullscreen RPN calculator for the console. Its operation is similar to that of modern HP calculators, but data entry has been optimized for efficiency on a PC keyboard. Features include extensive scientific calculator functionality, command completion, and a visible interactive stack. Orpie is the successor of math/rpc by the same author; it has been completely rewritten in Ocaml, and offers a number of features that were not available in the older program.