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Name: Mechanical calculator
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A mechanical calculator, or calculating machine, is a mechanical device used to perform automatically the basic operations of arithmetic. Most mechanical Ancient history - The 17th century - The 18th century - The 19th century. The basic operating principles of mechanical calculators changed little from the end of the 19th century to their obsolescence in the s, though there were. 10 May - 8 min - Uploaded by Joseph DiGiovanni My mechanical calculator with a basic explanation for basic operations.
11 May - 7 min - Uploaded by Joseph DiGiovanni Hot to use and operate an antique mechanical calculator - FULL Video Tutorial - Duration: Find great deals on eBay for Mechanical Calculator in Vintage Calculators. Shop with confidence. But they became the basis for the highly successful mechanical calculators built throughout the 19th and 20 century, when more accurate gears.
Back then, if you wanted help with any arithmetic with more than just a few operations, some kind of mechanical calculator was your only choice. The first four function mechanical calculator was made by Gottfried Leibniz in His design was the first to use the stepped drum mechanism which remained. The basic problem of the design of a mechanical calculator was how to move a gear an amount proportional to the number to be added. The simple stylus/slide.