Color is a Ruby library to provide basic RGB, CMYK, HSL, and other colourspace manipulation support to applications that require it. It also provides 152 named RGB colours (184 with spelling variations) that are commonly supported in HTML, SVG, and X11 applications. A technique for generating monochromatic contrasting palettes is also included. The Color library performs purely mathematical manipulation of the colours based on colour theory without reference to colour profiles (such as sRGB or Adobe RGB). For most purposes, when working with RGB and HSL colour spaces, this won't matter. Absolute colour spaces (like CIE L*a*b* and XYZ) and cannot be reliably converted to relative colour spaces (like RGB) without colour profiles. Color 1.8 adds an alpha parameter to all <tt>#css_rgba</tt> calls, fixes a bug exposed by new constant lookup semantics in Ruby 2, and ensures that <tt>Color.equivalent?</tt> can only be called on Color instances. Barring bugs introduced in this release, this (really) is the last version of color that supports Ruby 1.8, so make sure that your gem specification is set properly (to <tt>~> 1.8</tt>) if that matters for your application. This version will no longer be supported one year after the release of color 2.0.

Provides classes and methods to perform unit math and conversions

Dentaku is a parser and evaluator for mathematical formulas

Calculates the haversine distance between two locations using longitude and latitude. This is done using Math formulas without resorting to Active Record or SQL DB functionality

Physical quantity and units of measure conversion and math library

A Jekyll plugin to provide powerful supports for table, mathjax, plantuml, mermaid, emoji, video, audio, youtube, vimeo, dailymotion, spotify, soundcloud, etc.

mathjax-yard provides mathjax extention to yard.

Licensee automates the process of reading LICENSE files and compares their contents to known licenses using a fancy maths.

Mathematical library to deal with basic problems in algebla.

Calc is safe, simple, pure-ruby mathematical expressions evaluator (calculator) library. Although based on Ruby 'eval', it takes special care to sanitize the expression.

Converts LaTeX math into MathML.

Use advanced mathematical functions in Compass.

Symbolic math for ruby. This gem can help if you want to get a simplified form of a big equation or to speed up similar calculations or you need an abstraction layer for math. Symbolic does not have any external dependencies. It uses only pure ruby (less than 400 lines of code).

"MDArray is a multi dimensional array implemented for JRuby inspired by NumPy (www.numpy.org) and Masahiro Tanaka´s Narray (narray.rubyforge.org). MDArray stands on the shoulders of Java-NetCDF and Parallel Colt. At this point MDArray has libraries for linear algebra, mathematical, trigonometric and descriptive statistics methods. NetCDF-Java Library is a Java interface to NetCDF files, as well as to many other types of scientific data formats. It is developed and distributed by Unidata (http://www.unidata.ucar.edu). Parallel Colt (http://grepcode.com/snapshot/repo1.maven.org/maven2/net.sourceforge.parallelcolt/ parallelcolt/0.10.0/) is a multithreaded version of Colt (http://acs.lbl.gov/software/colt/). Colt provides a set of Open Source Libraries for High Performance Scientific and Technical Computing in Java. Scientific and technical computing is characterized by demanding problem sizes and a need for high performance at reasonably small memory footprint." For more information and (some) documentation please go to: https://github.com/rbotafogo/mdarray/wiki

To expand ruby math operations this gem call to others such as Numo:narray and others and implements methods onto them to deal with our needs

Library that provides more mathematical functions/algorithms than standard Ruby.

MAth GEOmetry library to deal with 2 and 3 dimensional spaces. Cartesian and internal coordinate systems can be used. This includes besic objects in 3 dimensional space.

Pass in a string and turn all math equations into itex equations. Or, pass in a block manipulate multiple matches.

Ritex converts expressions from WebTeX into MathML. WebTeX is an adaptation of TeX math syntax for web display. Ritex makes inserting math into HTML pages easy. It supports most TeX math syntax as well as macros.

A very fast way to turn TeX math equations into beautifully rendered SVGs, to embed on the web. This library is mostly written in C and is a general purpose wrapper to GNOME's Lasem.