Uploaded March 2022 | Updated September 2026, 1 week ago

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A nomogram for solving quadratic equations, published in 1915 by E.T. Whittaker. This one is artistically embellished.

This is episode 59 of my video series about old calculating devices.

Downloads & printables:
http://faculty.fairfield.edu/cstaecker/machines/whittakernomo.html

End song inspired by "Hotter than a Molotov" by The Coup.

Chris Staecker webarea: https://faculty.fairfield.edu/cstaecker

#quadratic #nomogram #nomograph #ET