Gnuplot Tutorial 1 – Graph Basics

Gnuplot is a command-driven graphing software. It is free and available in Windows, OS2, DOS and Linux. If you are using Windows, then your Gnuplot window would look like Figure 1. The text gnuplot> at the bottom left of your Gnuplot window is called the Gnulot prompt. It is used for typing command just like […]
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Geometer’s Sketchpad Tutorial 3: Graphs and Sliders

In this tutorial, we are going to use Geometer’s Sketchpad to explore the graph of the function y = mx + b where m and b are real numbers. First, we are going to type each equation manually, but later, we are going to use sliders to see the relationship between the parameters m and […]
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Plotting with Ivan Johansen’s Graph Software

Graph, a graphing software created by Ivan Johansen, was the first graphing software I have learned to use. Although the graphics quality is not that impressive, it has some features that are not available in other graphing software, the most notable of which is the polynomial of best-fit. The tutorial below teaches the basics of […]
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