USING EXCEL (or "Calc" from openoffice.org. See below)
(If the video link doesn't work, just google "graphing with excel" and it's one of the top videos. Mr. Roberts name shows in the beginning of video. )
Video
Written Instructions:
Graphing with Excel.pdf
For a free alternative to Excel, follow these instructions from Mr. Roberts: "Google "openoffice:" you want "openOffice.org." Download and install. OpenOffice includes 6 programs mostly identical to Microsfoft Office's most popular programs. The program that is just like Excel is called "calc". Calc copied Excel 99% so you do the same operations as in my video. Adding a second y axis is just as tricky (you have to right click the points that need to go on a second axis) and you do it the same way in both Excel and Calc.
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