# The Shape of $e$

by Mary Coughlin (University of Toledo)

Mathematics Magazine
February, 1989

Subject classification(s): Geometry and Topology | Plane Geometry | Numbers and Computation | Number Concepts | Famous Numbers
Applicable Course(s): 4.8 History of Math | 4.9 Geometry

The author proposes a visualization of the number $e$ related to area of subsections of a ''tentagram''.

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