5/29/2023 0 Comments Vector 2d grapher![]() Both games were built on a foundation of vectors. Decades ago, I wrote an excellent pair of games in the Logo language: one modeled signed number arithmetic, and the other modeled complex number arithmetic. My intention in this post is to report on a current project of mine. In any case, I am certain that it is every math teacher’s responsibility to keep developing their skills with both GeoGebra and Desmos, so as to know which one is appropriate in any given situation. If I was still in the classroom, I’d love it even more. (I had been using Cabri for many years.) Desmos does not include much geometry, but I am learning to use it, and I love many things about it. I have a lot of experience with GeoGebra, which was easy for me to learn as its interface is largely the same as Cabri’s. Since then, both programs have improved in multiple ways. Fair enough, but that does not make up for the fact that Desmos is mostly about graphing, while GeoGebra includes the many basic and not-so-basic geometry features, which we needed for this work, and were not available in Desmos. Her main argument was that students love Desmos. A couple of years ago, during a workshop on transformational geometry, a participant objected when I used and recommended GeoGebra and not Desmos.
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