Chris Staecker

60.1K subscribers

512 videos

Videos about antique computing devices. Also my teaching and research. I am a professor of mathematics at Fairfield University. Chris Staecker webarea: http:...

Latest Videos

Kensington's Adding Machine Software from 1993

Quincunx WD-7 by Lightning Calculator Galton board review HowTo

1960s New Haven Pedometer ReviewHowTo

Hoodlum 1997 movie (Math Props)

Pascal's 1630 Machine The First Calculator! Pascaline Review HowTo

Nine Nielsen Theories! Fixed point, coincidence, etc etc!

Trade Stimulator Review HowTo

Slide Rule Chopsticks Review HowTo

Parent's Guide To Chisanbop full audio recording

The Rise and Fall of Chisanbop

ROONS! A new marble computer

I made a new kind of slide rule Helical 3D-printable slide rule

Otis King 1920s calculator

The Mile-O-Matic! feat. Stephen Freeborn

At-most-n-valued maps (slightly more technical version)

At-most-n-valued maps

The Multi-Divi Swedish multiplier from 1911

Ahead of the count Probabilistic predictions of IRV elections. JMM 2025

It finds the derivative The Ott Derivimeter (1930s)

Ranked Choice Voting for lovers, haters, and prognosticators

The Sector the calculator of the 1500s

Pocket Sundial Retorts!

The Sunwatch! 1920s pocket sundial

Binary number system from 1617 (Napier's Location Numerals) Review HowTo

1984 (Math Props)

Corona City! Groton NY and the Corona Club

1600s binary multiplier (Napier's Location Arithmetic) Review HowTo

The configuration space of at-most n points on the circle

Terminator The Sarah Connor Chronicles (Math Props)

The most unnecessary election recount ever