# Unexpected Occurrences of the Number $$e$$

by Harris S. Shultz (California State University, Fullerton) and Bill Leonard (California State University, Fullerton)

Mathematics Magazine
October, 1989

Subject classification(s): Number Concepts | Famous Numbers
Applicable Course(s): 3.1 Mainstream Calculus I | 3.2 Mainstream Calculus II | 7.2 Probability

The authors describe the Hat Check and several other problems leading naturally to the number $$e$$.

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