Browsing All Posts published on »September, 2012«


September 19, 2012


…is hard to come by when one is surrounded by such wonderful, generous people. I want to contribute, to help someone out, like so many have helped me. There are too many to mention. I think I’ve gotten something from everyone on Twitter. The big guns, like @ddmeyer. The ones not even in this country, […]

Graphing sine and cosine

September 11, 2012


Aaahhh…graphing sinusoids. Can be done point-by-point, using videos (Singapore’s HeyMath does a great job), even spaghetti (William Emeny – the @Maths_Master – recommended¬†¬†for an explanation…one that is, as he put it, cheesy but effective). There’s a lot of very cool stuff out there. I haven’t added a video; I’ve added explanation sheets that can be […]