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A comment on Many elementary teachers don’t understand math, and it makes them anxious. Parent comment

Re:Many elementary teachers don’t understand math, and it ma... by all2 on Saturday November 30, 2019 @10:06AM (#21670249)
The only by-hand method for finding roots I know is "Newton's Method". I think I learned this in pure calculus?

https://en.m.wikipedia.org/wiki/Newton's_method

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Re:Many elementary teachers don’t understand math, and it ma... by chongli on Saturday November 30, 2019 @10:45AM (#21670406)
The older method is attributed to Hero of Alexandria [1].

[1] https://en.m.wikipedia.org/wiki/Hero%27s_method

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