Slide rule
Realizes: logarithm, multiplication, division, roots
Logarithmic scales engraved on sliding rules allow multiplication by physical addition of lengths (log a + log b = log ab). Precision is bounded by engraving quality and human reading resolution — typically 3 significant figures. Speed: seconds (human reading time). Capacity: single arithmetic operation (3 significant figures).
Examples
Default Slide rule implementation
Basic implementation
MULTIPLY
DIVIDE
LOG
ROOT
seconds
single-op
J