Calculates the geo distance between two locations using longitude and latitude using Haversine, Speherical or Vincenty formula. This is done using Math formulas without resorting to Active Record or SQL DB functionality

math parser

MathML Library

Convert MathML to AsciiMath This gem is in active development.

Adds TeX math support to Thredded markup via KaTeX.

Ruby standard library mathn.

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

itextomml provides native Ruby bindings to itex2MML, which converts itex equations to MathML.

Eymiha basic math extensions

This library offers general purpose higher-level data structures that focus on Hash manipulation.

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.

This is a TeX-to-HTML+MathML+CSS converter class using the Javascript-based KaTeX, interpreted by one of the Javascript engines supported by ExecJS. The intended purpose is to eliminate the need for math-rendering Javascript in the client's HTML browser. Therefore the name: SsKaTeX means Server-s...

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.

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...

kramdown-math-katex uses KaTeX to convert math elements to HTML on the server side

An Asciidoctor extension to converts latexmath equations to SVG or PNGs

Marks math problems

Extends String and Symbol instances with variable/accessor methods, provides swizzling helpers, provides accessor-related math for transforming :accessor, :reader, :writer.

Translate MathML to LaTeX

gem is created for testing some solutions of math-tasks