Category Archives: FX-4500P

Square root without the √ key

L1 A:X=1 L2 Lbl 0:Y=(X+A/X)/2 L3 X≠Y⇒X=Y:Goto 0:≠⇒YΔ The above is close to the shortest possible computer program that performs a useful numerical iteration. It prompts the user for a number A and computes its square root, correct to ten significant … Continue reading

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