Extmath is a library that extends Ruby's built-in math library. This gem reflects the current version (2.3.0) of the extmath library originally written by Josef Schugt.

Using this package, you can do powerful pattern recognition easily from your shell command line using a simple suite of tools. Applications include music cateogrization, text classification, handwritten digit recognition, and evolutionary tree reconstruction. The technique is based on a very ge...

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.

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 mon...

Provides classes and methods to perform unit math and conversions

Eymiha basic math extensions

Emiyha - basic 3D math extensions

== DESCRIPTION: Charlie is a library for genetic algorithms (GA) and genetic programming (GP). == FEATURES: - Quickly develop GAs by combining several parts (genotype, selection, crossover, mutation) provided by the library. - Sensible defaults are provided with any genotype, so often you only n...

== DESCRIPTION: Stops spam with a math test == FEATURES/PROBLEMS: stops spam by adding a simple math questions to a form

iPhone friendly sinatra web UI for God

Mathstats is a basic statistics library. It is meant to be mixed into Array, but you can also use it as a standalone class.

Arbitrary precision mathematics with application to real and complex linear algebra, graphical representation of functions, and 2D Kepler motion

ULMUL is an original Ultra Lightweight MarkUp Language. You can write TeX-style equations in ULMUL texts. The ULMUL texts can be converted into HTML5+MathML with ulmul2html5 command, into HTML5+MathJax with ulmul2mathjax and into LaTeX with ulmul2latex. You can...

RDocF95 is an improved RDoc for generation of documents of Fortran 90/95 programs. Differences to the original one are given below. <b>Enhancement of "parser/f95.rb"</b> :: The Fortran 90/95 parse script "parser/f95.rb" (In rdoc-f95, old name "parsers/pars...

A simple ruby gem for encoding and decoding strings using the Solitaire Cipher.

The SuperMemo algorithm (version SM-2) in ruby

Mathematical expression evaluator for infix notation

Standard rails extentions I find quite handy time to time

Mathematical expression evaluator

The capabilities of the Color library are limited to pure 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 the RGB and HSL colours, this won't matter. However, some colour models ...