Quadratic Formula Nomograph
Source
G4G14
Title
Quadratic Formula Nomograph
Creator
ET Whittaker
Contributor
Chris Staecker
Subject
Recreational Math
Description
This is a cute graphical computing device which finds the roots of a quadratic polynomial. Stretch the (included) string between two scales representing the coefficients of the polynomial, and it tells you the roots! This device is based on an original 1915 design by E.T. Whittaker.
Identifier
G14-067
Collection
Citation
ET Whittaker, “Quadratic Formula Nomograph,” G4G Gift Exchange Archive, accessed April 26, 2024, https://g4gexchangearchive.omeka.net/items/show/1052.
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