Uploaded July 2023 | Updated September 2026, 1 week ago

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The Numberaid: The American Abacus created by Andrew Schott in 1957. It's a strange hybrid Russian/Chinese abacus meant to teach kids something about something.

This is episode 74 of my video series about old calculating devices.

Numberaid Guidebook PDF: archive.org/details/numberaid

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

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

#america