One of the operations of addition, subtraction, multiplication, division, and integer (or rational) root extraction.
Elementary Operation
See also
Abel's Impossibility Theorem, Algebraic Function, Elementary FunctionExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Elementary Operation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ElementaryOperation.html