GeoGebra

A few weeks ago I mentioned Sage and Beamer, well beamer has been going pretty well, I am using it several times a week in various classes. I thought I was going to try Sage, but haven’t gotten to it yet, although I have come across a free software (not open source) package called GeoGebra.… Continue reading GeoGebra

Why I don’t care for Saxon math

I used to use Saxon math at the HS level but stopped, and keep getting more support of that descision. “He who loves practice without theory is like the sailor who boards a ship without a rudder and compass and never knows where he may cast” – Leonardo da Vinci (1452-1519) While math is useful,… Continue reading Why I don’t care for Saxon math

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Chinese going to the moon!?

I’m not teaching Earth and Space science this year, but I still like astronomy and space related topics. I’ve been watching for the past several years the Chinese claim to get to the moon by 2010 and the latest development is their launch of taikonauts (Chinese astronauts). But how reliable are their reports accurate, or… Continue reading Chinese going to the moon!?

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