Math magic
by Scott Flansburg · first published 1993
3mentions
3recommended by
3HN commenters
2009–2023first – last mentioned
100% recommend
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Years ago, I enjoyed reading books about how to do arithmetic mentally and quickly (there are several of them - one good one is "Math Magic" by Scott Flansburg). There did not seem to be anything equivalent for more abstract math, i.e. algebra and calculus. For some reason, I cared so much that I actually took the trouble to write a couple…
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