"A calculator with just two buttons, EML and the digit 1, can compute everything a full scientific calculator does. This is not a mere mathematical trick."
"Because one repeatable element suffices, mathematical expressions become uniform circuits, much like electronics built from identical transistors, opening new ways to encoding, evaluating, and discovering formulas across scientific computing."
Andrzej Odrzywołek proposes a two-button calculator that can perform all functions of a scientific calculator using a single operator, eml(x, y) = exp(x) - ln(y). This operator can generate elementary functions, including trigonometric and algebraic functions, as well as constants like π and e. The simplicity of using just two buttons allows for uniform circuits in mathematical expressions, similar to electronics, which could revolutionize scientific computing by providing new methods for encoding and evaluating formulas.
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