Tag Archives: Education

This post is in response to Tommy’s question on the Getting Started post, namely, how to plot a polar spiral (e.g., r = θ) *without* using the default Grapher range of θ = [0, 2π]. It turned out to be … Continue reading →

Finally, a post! I’ve made some changes to the blog.  First, I’ve added a Donate button to the sidebar;  clicking the button takes you to Paypal, where you’re free to contribute to my “Feed the Putterer” fund.  I do realize … Continue reading →

Whew! This post just kept getting longer and longer, until finally I decided I needed to bite it off if it was ever going to get posted. Today we will discuss contour and vector plots, together with a few simple … Continue reading →

“You can’t use Grapher to plot data.” Not true! You can use Grapher to plot data – it’s just a pain in the butt. Nevertheless Grapher can be useful if you want to plot a small data set and/or do some … Continue reading →

Woot!  We’re back!  Apologies for the radio silence – real life has been kicking me in the teeth.  Nothing like tangling with an insurance company to suck the life out of you. To ease back into this blogging thing I … Continue reading →

Welcome to part two of my unofficial MacOS X Grapher User’s Guide – Using Parameters. As before, click on any graph to enlarge.

Successful puttering in mathematics requires some way of visualizing the equations you are playing with. It’s all very well to slap around some equation using just a pencil and paper, but there’s a lot of information to be gained from … Continue reading →