The Romaniac library converts Arabic numerals to Roman numerals and vice versa.

Collection of validations for Cod Numeric Personal (CNP), Cod de identificare fiscală (CIF) and IBAN (only Romanian format, as published by Romanian National Bank)

A fun generator to generate ancient roman names

Generates Roman numbers from Arabic values, including built-in helper

Romberg numerical integration class.

Rome by ROMEro

A Ruby Gem that vendors the Rome toolchain to integrate it into Ruby projects

This gem generates an id when creating a new tuple.

Display your DB (sql) association graph

Simple tool to easily change your machine's ruby version to your liking.

Unofficial RongCloud API wrapper.

RongCloud Server API in Ruby，http://www.rongcloud.cn/docs/server.html

rookout is the Ruby SDK for the Rookout Debugging Platform

Extract root domain from hosts (e.g. www.example will be extracted as example.com). It normalizes punycode domains and considers second-level domain names.

This gem implements a rooted, ordered tree, with a focus on easy iteration over nodes and access to basic tree properties. Formerly known as "rooted_tree".

This gem implements a rooted, ordered tree, with a focus on easy iteration over nodes and access to basic tree properties. Moved to ---> "rooted".

Newton's method works best when you have a reasonable first guess, while bisection is a better choice when your first guess may be far away (or near a zero slope).

ROpenCV is a ffi ruby binding for the Open Source Computer Vision Library OpenCV 2.4.4 and higher

Interprets Rails data structures for you to generate beautiful Google Charts

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