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squigs t1_j24ngkj wrote

Reply to comment by mfb- in ELI5 How do calculators get the square root of random numbers? by Mikinak77

Really surprising how quickly this converges! I'd have thought we'd get 2 binary digits per step, not 4ish decimal!

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mfb- t1_j24rwja wrote

It's one of the methods that converge really quickly, you double the number of correct digits with each step (that statement is independent of the base, and applies once you start getting some correct digits).

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