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Inimitable CURTA
citroen2cv
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A petabyte on a Odhner-type calculator
4:05
FACIT C1 Video-manual (I)
1:30
Square roots on the Odhner.
1:17
Monroe mechanical calculator (I)
1:36
Burroughs C3200
2:26
CASIO FX-730P. My first 'PC'
28:00
The History Of Calculators Documentary
divxmaniac
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CURTA Calculator Assembly
Hansjörg Nipp
3:50
Calculating Square Root 804609 with an 121 years old mechanical calculator (Brunsviga model B)
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