Chris Staecker | Graphical quadratic formula solver from 1915 (nomogram) @ChrisStaecker | Uploaded March 2022 | Updated October 2024, 3 hours ago.
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