# Geometry of Logarithms

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Recall that on a logarithmic scale a directed segment corresponds to multiplication by some number. The logarithm of a number with respect to a base is the ratio of the signed length of its directed segment to that of the base.

Contributed by: Gerry Harnett (March 2011)

Open content licensed under CC BY-NC-SA

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"Geometry of Logarithms"

http://demonstrations.wolfram.com/GeometryOfLogarithms/

Wolfram Demonstrations Project

Published: March 7 2011