A number which can be specified implicitly or explicitly by exponential, logarithmic, and algebraic operations.
Elementary Number
See also
Liouvillian NumberExplore with Wolfram|Alpha
References
Chow, T. Y. "What is a Closed-Form Number." Amer. Math. Monthly 106, 440-448, 1999.Ritt, J. Integration in Finite Terms: Liouville's Theory of Elementary Models. New York: Columbia University Press, 1948.Referenced on Wolfram|Alpha
Elementary NumberCite this as:
Weisstein, Eric W. "Elementary Number." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/ElementaryNumber.html