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

xyp is a simple 2D graphics plotter

Basis provides a set of classes for easily plotting and transforming arbitrary 2D coordinate systems by specifying their basis vectors in Ruby-Processing.

This gem solves the problem of several decimal places in divisions where the result must be presented in cents, that is converting the division result to only two decimal places and the difference is attributed to the first p...

SimpleMetric is a Rails plugin offering easy solution for storing and plotting measurements for your app

algoplot uses Gnuplot to generate growth plots given N and functions.

Generate random scenarios or plots.

Let CSV-like files behave like DB-tables: selection, data operations on columns. Easy plotting with gnuplot and modelling

CTioga - command-line interface for the Tioga plotting library

Draw graph with daru

Plot with ncl via Ruby: requires NCL 6.* and CDO 1.5.*

A graphing engine for jqplot

Markdown & Postres-based CMS engine for Rails.

Generates arrays of strings with graph based on data input of arrays of x,y inputs

Tplot is text base graph plot tool.

single interface to line-plotting data in [] or NArray

Provides a data driven API into the flot javascript plotting library

A tool for working with common tokamak file formats from tools like EFIT, CHEASE, TRANSP, CRONOS etc. Contains commands for plotting a summary of content, manipulating the data within them and most importantly, converting one format to another.

texlab a toolkit based on erb that for creating documents and doing calculations at the same time. It is capable to output the proper number of significant digits, generate tables and plots using gnuplot. It has a simple DSL.

Create native iOS charts using simple JSON as you are used-to with Highcharts like JS library. This library is a wrapper on top of CorePlot