Workplace & School

Slide rules
Slide rule Slide rule

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There are 2 comments for this item.

Posted by Doot at 5:54 am (PDT) on Fri March 27, 2020   
Using one of these is a lost art.
Posted by Bob Matthews at 2:00 am (PDT) on Thu August 23, 2018   
Never had the need for these as I avoided math like the plague.

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