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I use gnuplot for plotting data and fitting curves to data. Here are some links to various handouts and useful web sites.

Handouts, tutorials, and guides
Introduction to gnuplot I use this handout with my first-year physics students to teach them how to plot data (with or without a smooth curve drawn through the data points) and fit the data to a function such as y=mx+b.
gnuplot primer I use this handout with my upper level electronics students. It illustrates a number of commands and is a nice reference.
Useful web sites
GnuPlot Home The best place to download gnuplot software and find documentation.
gnuplot on Mac OS X Help for installing gnuplot on Mac OS X
Duke gnuplot tutorial A nice tutorial from the Duke engineering school
UNL Introduction to gnuplot University of Northern Iowa gnuplot tutorial

High Point University       Last modified:   5/24/13 11:22 AM