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I've let myself fall behind on my writing again. For the next letter in the Mathematics A-to-Z, 'E', I wrote about Embedding:

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My third essay for the Little 2021 Mathematics A-to-Z went to the Torus, and as you'd expect, board game design.

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If I may speak up for my own writing here, I've begun my mathematics blog's annual glossary project. In line with my very worn, battered spirits, it's a smaller one than usual. To start the Little 2021 Mathematics A-to-Z, the letter ... M, for Multiplication.

Me, having spent 35 minutes fiddling with alternatives to get this one geometry-related coding task solved: *Fine*, I'll *think* about it instead.
[ One minute later ]
OK, solved.

Thinking of the 90s Internet Guy arguing that by the time of Star Trek: The Next Generation Venus must have been terraformed, because of that time Data started telling a limerick about how there was a young lady from Venus.

Still no idea if the argument was in earnest.

Anyway that's what you missed not being on Usenet.

For folks who typed in machine-language programs from Compute! and Compute!'s Gazette in the 80s ... I finally went through and figured out how the error-detecting checksum worked for their MLX 2.0 code entry system worked. and if you want to run it in Octave,

I mean this as a way of conserving time and mental energy in exam conditions but I'm not sure I wouldn't adopt the rule for normal life too.

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Thinking of last-minute advice I can give my wife before she takes an algebra placement exam and I end up with: if they ask you to divide by a complex-valued number, refuse.

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