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Titles for graphs
An AP Bio teacher on the ap-bio mailing list wrote I keep finding that the some AP students do not know how to write a proper title for graphs. I tell them that a title basically describes the...
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Cool new Google feature
The Inside Search blog from Google in the message Showing some love to math lovers announced a cool new feature. If you enter a function (of x, y, or t—maybe other variables as well) into the Google...
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Installing gnuplot—a nightmare
My son and I use gnuplotfor all our graph plotting, because it is free, it has good curve-fitting tools, it can produce graphs in many standard graphical formats (both vector and raster formats), and...
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Science Fair advice
I’ve judged at three school fairs this year, and will be judging at the county science fair as well (I haven’t decided about state yet—it depends on whether I have to go to Los Angeles then or not). At...
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More science fair advice
Today I gave my 35-minute spiel to the teachers at the K–8 school that I judged at last week. I did not cover everything in my notes (yesterday’s blog post: Science Fair advice), but got through the...
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Google plots
My son has been using Google search as a calculator for a while (it is handy, because it can keep track of units in physics calculations, though it sometimes has weird ideas about operator precedence)....
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LinReg for physics class data graphing
A blog I only recently subscribed to (Physics! Blog! by Kelly O’Shea) had a very nice plug (LinReg for physics class data graphing) for a graphing program I’d not heard of before: LinReg which is...
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When is a line graph not a line graph?
I recently discovered that elementary school teachers have taken to calling histograms “line plots”, and that this definition has gotten quite widespread: A line plot is a graph that shows frequency of...
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