Alert!

Hello, reader! If you intend to post a link to this blog on Twitter, be aware that for utterly mysterious reasons, Twitter thinks this blog is spam, and will prevent you from linking to it. Here's a workaround: change the .com in the address to .ca. I call it the "Maple Leaf Loophole." And thanks for sharing!

Saturday, December 21, 2013

My Geogebra Fancy Pants

The #1 thing you should learn in Geogebra if you want to make cool-as-in-cool things is the Sequence command. If you're already familiar with the sequence command on TI's it works the same: Sequence[expression, variable, start, end, interval].

As a simple example, here is a tool I made to subdivide a segment with evenly-spaced points.

But you don't have to just make sequences of points, you can make sequences of anything! Segments, so you can make a grid with a variable number of gridlines. Or an ice cube chopped up into smaller ice cubes:



Sectors, so you can make a customizable circle graph.

And this thing for Pandemic that is just too fun: