File:Mechanical calculator (ten places), Blaise Pascal, France, c. 1650 - Mathematisch-Physikalischer Salon, Dresden - DSC07976.JPG - Wikimedia Commons
![Alberto Tufaile on Twitter: "@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" / Twitter Alberto Tufaile on Twitter: "@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" / Twitter](https://pbs.twimg.com/media/EqLhRI2XEAIuPze.png)
Alberto Tufaile on Twitter: "@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" / Twitter
![Pascal's calculator (also known as the arithmetic machine or Pascaline), Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA_137_0913 | agefotostock Pascal's calculator (also known as the arithmetic machine or Pascaline), Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA_137_0913 | agefotostock](https://t1.thpservices.com/previewimage/gallil/52be97f20d150683f767621e176a0e32/iam-wha_137_0913.jpg)
Pascal's calculator (also known as the arithmetic machine or Pascaline), Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA_137_0913 | agefotostock
![Calculator of Blaise Pascal, a Mechanical Device for Adding and Subtracting, 1600s' Giclee Print | Art.com Calculator of Blaise Pascal, a Mechanical Device for Adding and Subtracting, 1600s' Giclee Print | Art.com](https://imgc.artprintimages.com/img/print/calculator-of-blaise-pascal-a-mechanical-device-for-adding-and-subtracting-1600s_u-l-q1j4j230.jpg?artHeight=350&artPerspective=n&artWidth=550&background=fbfbfb)
Calculator of Blaise Pascal, a Mechanical Device for Adding and Subtracting, 1600s' Giclee Print | Art.com
![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/zooms/9/0ba63ad71df74317af211c55fd4722e9/rxwna5.jpg)