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This tag is for questions about calculators.

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A prefix notation calculator that asks about everything step by step

I made a prefix notation calculator. Prefix notation, aka Polish notation, is a form of notation for logic, arithmetic and algebra, like infix and postfix (reverse Polish) notation. … The calculator asks for one value per step, and asks about everything step by step. """ Pfxcalc Programmed by zyabin101 This code is hereby released into the public domain """ import ast def lit_input …