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)

You can do color math now!

Include helpfull matchers for mathing statuscodes

Mathematical facilitator based on Arithmetic, Algebra and Geometry

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

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

The romanized_hebrew gem was built to convert the hebrew romanization commonly used by the 19th and 20th-century English occultists (e.g. Mathers, Waite, etc) into actual hebrew unicode. It can provide the unicode string, or a string of HTML entities.

Sass helper of QMUI Web, dealing with layout, appearance, device adaptation, math calculation and other SASS enhancement.

Homework GeekHub

Convert characters + font shifts to Plane 1 Mathematical Alphanumeric Symbols

A simple HMTime object for representing and performing simple math on hours and minutes. HHH:MM

This is a Ruby gem to calculate statistical properties of various distributions by using boost::math::distributions.

Convert Asciimath via MathML to UnitsML

Adds a few methods to the Time class, more significant: strtotime which returns a Time object based on a string. also methods add and substract that allow you to do some easy date math (doesn't take leap months/years into account) also tomorrow and yesterday methods witch are like Ti...

safemath - safe math operations (with overflow 'n' underflow protection) on signed and unsigned integer types (U8, U16, U32, U64, U256, I8, I16, I32, I64, I256)

This project is still in early development. Only the mathematical side is complete. eg: Time.now + 3.years + 2.months

In mathematics, Arnold's cat map is a chaotic map from the torus into itself, named after Vladimir Arnold, who demonstrated its effects in the 1960s using an image of a cat, hence the name.

A calculator supporting mathematical expressions, variables, functions and rudimentary plotting

Space Jekyll theme for internal use at Mathscapes

MathML parser and builder used in Plurimath.