two buttons compute everything
EML Calculator
A scientific calculator with exactly two keys — 1 and eml, where eml(x, y) = exp(x) − ln(y). Every elementary function is a binary tree of this one operator (Odrzywołek, 2026).
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press 1 to begin
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AI: formula → EML
Type any formula; it compiles to a numerically-verified button sequence.
One-click demos
Replays the EML program onto the calculator, one button-press at a time.
Run an RPN program
Alphabet: 1, x, E (=eml). e.g. 11xE1EE = ln x.