Wector does what we all wish the built-in Vector class did; it makes vector math easy by allowing any method of the Numeric interface to be used to combine two arrays or an array and a number.

Upload data to wolfram databin mathematica via ruby

You can do color math now!

Gem to build simple regressors and classifiers into your application, without necessarily having to understand all the math behind.

Tempura is a library for temperature math and conversion. Currently supported scales are Fahrenheit, Celsius, Kelvin, Delisle, Newton, Rankine, Réaumer, and Rømer.

Refinement version of mathn

Convert LaTeX math formulas to HTML using KaTeX in Rails.

A Simple and Funny Math

Loads logical or mathematical expression (in string) into Abstract Syntax Tree for later evaluation

Mathematical facilitator based on Arithmetic, Algebra and Geometry

"Kids do math on the CLI"

Converts simple math formulae written in pure HTML to AsciiMath

SudokuGenius solves ALL sudoku puzzles, including mathematician Arto Inkala's world's most difficult sudoku puzzle.

Homework GeekHub

itextomml provides native Ruby bindings to itex2MML, which converts itex equations to MathML.

If you need to create simple (in the mathematical sense), weighted graphs with random values for the connections and weights then this is the gem for you.

charcoal grids are fluid on the inside, ready to respond at any moment, but contained in the candy shell of your choice, so they respond how and when and where you want them to. We don't design your site or dictate your markup, we just do the math and get out of your way.

Math functions, like log, sum etc

custopm rspec mathcers

Part of the AMEE AppKit, this gem provides the ability to do mathmatical operations over a set of calculations