![Amazon.com: Pascaline Mechanical Calculator 1642 Poster Print by Science Source (24 x 18): Posters & Prints Amazon.com: Pascaline Mechanical Calculator 1642 Poster Print by Science Source (24 x 18): Posters & Prints](https://m.media-amazon.com/images/I/61WN0Rpai8L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Pascaline Mechanical Calculator 1642 Poster Print by Science Source (24 x 18): Posters & Prints
![World of Engineering on Twitter: "Historic invention of the day: 1642: Mechanical calculator. The Pascaline is built by Blaise Pascal https://t.co/Ap0SBA8cDl" / X World of Engineering on Twitter: "Historic invention of the day: 1642: Mechanical calculator. The Pascaline is built by Blaise Pascal https://t.co/Ap0SBA8cDl" / X](https://pbs.twimg.com/media/E7S8YaOXEAET1Rf.jpg)
World of Engineering on Twitter: "Historic invention of the day: 1642: Mechanical calculator. The Pascaline is built by Blaise Pascal https://t.co/Ap0SBA8cDl" / X
![Pascal's calculator (also known as the arithmetic machine or Pascaline), a mechanical calculator invented by Blaise Pascal in the early 17th century. Pascal was led to develop a calculator by the laborious Pascal's calculator (also known as the arithmetic machine or Pascaline), a mechanical calculator invented by Blaise Pascal in the early 17th century. Pascal was led to develop a calculator by the laborious](https://c8.alamy.com/comp/2A265F4/pascals-calculator-also-known-as-the-arithmetic-machine-or-pascaline-a-mechanical-calculator-invented-by-blaise-pascal-in-the-early-17th-century-pascal-was-led-to-develop-a-calculator-by-the-laborious-arithmetical-calculations-required-by-his-fathers-work-as-supervisor-of-taxes-in-rouen-he-designed-the-machine-to-add-and-subtract-two-numbers-directly-and-to-perform-multiplication-and-division-through-repeated-addition-or-subtraction-2A265F4.jpg)
Pascal's calculator (also known as the arithmetic machine or Pascaline), a mechanical calculator invented by Blaise Pascal in the early 17th century. Pascal was led to develop a calculator by the laborious
![Pascal's calculator (also known as the arithmetic machine or Pascaline), a mechanical calculator invented by Blaise Pascal in the early 17th century. Pascal was led to develop a calculator by the laborious Pascal's calculator (also known as the arithmetic machine or Pascaline), a mechanical calculator invented by Blaise Pascal in the early 17th century. Pascal was led to develop a calculator by the laborious](https://c8.alamy.com/comp/2A265F5/pascals-calculator-also-known-as-the-arithmetic-machine-or-pascaline-a-mechanical-calculator-invented-by-blaise-pascal-in-the-early-17th-century-pascal-was-led-to-develop-a-calculator-by-the-laborious-arithmetical-calculations-required-by-his-fathers-work-as-supervisor-of-taxes-in-rouen-he-designed-the-machine-to-add-and-subtract-two-numbers-directly-and-to-perform-multiplication-and-division-through-repeated-addition-or-subtraction-2A265F5.jpg)