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WTF, why wasn't I shown this at school!?!?!
Readers added context they thought people might want to know
This is not a true or general math method for square roots. Adding digits then subtracting 2 only coincidentally works for select perfect squares (e.g. 64, 289) but fails for most others like 16 (gives 5, not 4) or 144 (gives 7, not 12).
doubletorus.substack.com/p/why
youtube.com/watch?v=AEgGfp…
youtube.com/watch?v=8932x_…
Sam retweeted
WTF, why wasn't I shown this at school!?!?!
Readers added context they thought people might want to know
This is not a true or general math method for square roots. Adding digits then subtracting 2 only coincidentally works for select perfect squares (e.g. 64, 289) but fails for most others like 16 (gives 5, not 4) or 144 (gives 7, not 12).
doubletorus.substack.com/p/why
youtube.com/watch?v=AEgGfp…
youtube.com/watch?v=8932x_…
xitter.cf/Sam_Axiom/status/21147…
Matrix Series
Matrix Series Basics
Episode 1 of 20 - What is a Matrix?: rows, columns, order m×n, and reading entries by position
xitter.cf/Sam_Axiom/status/21146…
Did you get it 👀??
xitter.cf/Sam_Axiom/status/21143…
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