Piston Powered Mechanical Calculator. The Calculatron 3000!
Can add or subtract any pair of two digit numbers up to a total of 999
Input 2 digit numbers e.g 02, 99
Wait for the numbers to spin up before entering another digit.
Piston Powered Mechanical Calculator. The Calculatron 3000!
Can add or subtract any pair of two digit numbers up to a total of 999
Input 2 digit numbers e.g 02, 99
Wait for the numbers to spin up before entering another digit.
Earthasaurus
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