"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, trigonome...

This gem can fingerprint from small to large pieces of wav audio and run a math to compare them (this is very handy to compare audio notes)

A full programming language and environment extending the features of the venerable HP calculator programmable calculators. With XRPN you can accomplish a wide range of modern programming tasks as well as running existing HP-41 FOCAL programs directly. XRPN gives modern life to tens of thousands ...

Lightweight matematical expression parser that is easy to extend

A short series of mathematical functions

A gem to evaluate mathematical equations. Includes support for variables and functions.

Perfect Shape is a collection of pure Ruby geometric algorithms that are mostly useful for GUI manipulation like checking viewport rectangle intersection or containment of a mouse click point in popular geometry shapes such as rectangle, square, arc (open, chord, and pie), ellipse, circle, polygo...

gem to use financial methods inside ruby

Mathematica Language Library in Ruby

Question generator

In mathematics, the greatest common divisor (gcd) of two or more integers, when at least one of them is not zero, is the largest positive integer that divides the numbers without a remainder.

**Very preliminary, not currently recommended for use**

An experimental DSL that aims to be very math like

Allows the ruby nil to be used in math operators. Allows the amazing division of zero.

This gem is intended to create a js keyboard to make a MathJax interface for sending answers and stuff.

This is a series of methods and extensions I've written or collected from various sources over time to help me mainly in solving Project Euler problems and other mathematical games. In case you are wondering about the name, boQwIj is Klingon for _my_assistant_, which is what these methods do for...

Color parsing, conversion, and math library

This gem has "Guess a Number" game.

Quick little arithmetic plain-text captcha

Foxmash math library.