this is a gem to use in rails, this gem do some basic math operations

Provide mathematics functions and utilities for Theory of Number. Analysis. Geometry ...

Parses simple mathematical expressions, creates a fully object-oriented expression tree. Evaluation can have injected variables.

Discrete Mathematics REPL and built-in usable library for experimental projects

A symbolic math library for ruby

Defines UTF-8 symbols for common math concepts

Contains a text parser for converting various measurements into a base unit, as well as doing several mathematical functions with those numbers

Adds TeX math support to Thredded markup via KaTeX.

Round time using logic and not complex math.

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 ...

This gem contains four modular Rack applications: Pi, Euler, Sqrt2, Phi (golden ratio). These applications can be used to play with: * experiment with new and existing Rack Middleware * combine modular Sinatra app with Rack::Builder * embed one Rack application into another Rack application

This gem contains four modular Sinatra applications: Pi, Euler, Sqrt2, Phi (golden ratio). These applications can be used to play with: * experiment with new and existing Rack Middleware * combine modular Sinatra app with Rack::Builder * embed one Rack application into another Rack application

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.

Ruby on Rails services for MathType Web integrations with TinyMCE, CKEditor or Froala, among others.

Upload data to wolfram databin mathematica via ruby

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

Mathematical facilitator based on Arithmetic, Algebra and Geometry

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.

Unity Captcha is a gem that use two levels of Captcha. First level is about Left Hemisphere: Logic and Math. Second level is about Right Hemisphere: Intuition and Drawing. This two levels functioning in complete harmony creates unity and this is the base design of this Captcha.