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Graphing Round Our School
An Alaskan school conducts an annual event where everyone collects data about their role in the school, then graphs it and writes six questions about the graph, one for each grade level.
www.northstar.k12.ak.us/

Tables and Graphs
Has information, graphics, and quizzes to help students review tables and graphs.
www.mcwdn.org/

PGPLOT Graphics Subroutine Library
The PGPLOT Graphics Subroutine Library is a Fortran- or C-callable, device-independent graphics package for making simple scientific graphs.
www.astro.caltech.edu/

Ploticus Data Display Engine
An alternative to gnuplot, GPL, command-line, with various style options. Program can plot date, time, and category data directly. [Unix/Win32]
ploticus.sourceforge.net/

Charts and Graphs
Provides introductory information on bar, line and pie graphs with pictorial examples.
www.twingroves.district96.k12.il.us/

Tracés animés
Graph 2D or 3D curves and surfaces with the ability to zoom, deform and rotate.
wims.unice.fr/

Graph Paper
Features Cartesian, polar, logarithmic and other graph types which can be printed free from your computer as PDF documents.
www.pdfpad.com/

Online Graphic Builder
Generate a graphic of an equation. Also you can download program (+sources) that can build animations of graphic that changes by parameter.
grbuild.r2.ru/

Gus and Gertie's Graphin' Gadget
Commercial package supporting Cartesian, parametric, and polar graphs. Many graph attributes can be customized, including color, line thickness, and zoom level.
www.somewareinvt.com/

Arnab's Graph Explorer
Simple Windows freeware program for plotting and interactively exploring graphs of mathematical functions. Supports algebraic, trigonometric, and hyperbolic, and user defined functions.
www.geocities.com/