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Amazon.com: Pascaline Mechanical Calculator 1642 Poster Print by Science Source (24 x 18): Posters & Prints
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Pascaline; a mechanical calculator invented by Blaise Pascal in 1642. The wheels are numbered from 0-10 and correspond to units, tens, hundreds, thousands, tens of thousands, and hundreds of thousands Stock Photo - Alamy
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Alberto Tufaile on X: "@MIT_CSAIL Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in the mid 17th century. https://t.co/SDx5N20rXp https://t.co/ELKibH2I5a" / X
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World of Engineering on X: "Historic invention of the day: 1642: Mechanical calculator. The Pascaline is built by Blaise Pascal https://t.co/Ap0SBA8cDl" / X
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