![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
![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/41PuZ9vaNkL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: Pascaline Mechanical Calculator 1642 Poster Print by Science Source (24 x 18): Posters & Prints
![Pascal's calculator, 17th Century artwork Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas Pascal's calculator, 17th Century artwork Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas](https://static.greatbigcanvas.com/images/singlecanvas_thick_none/science-photo-library/pascals-calculator-17th-century-artwork,1411094.jpg)
Pascal's calculator, 17th Century artwork Wall Art, Canvas Prints, Framed Prints, Wall Peels | Great Big Canvas
![Blaise Pascal on Twitter: "The original adding machine! (you guys now call it a calculator...) https://t.co/4UkB65Sa24" / Twitter Blaise Pascal on Twitter: "The original adding machine! (you guys now call it a calculator...) https://t.co/4UkB65Sa24" / Twitter](https://pbs.twimg.com/media/CR49nsBUwAA7WxH.png)
Blaise Pascal on Twitter: "The original adding machine! (you guys now call it a calculator...) https://t.co/4UkB65Sa24" / Twitter
File:Mechanical calculator (ten places), Blaise Pascal, France, c. 1650 - Mathematisch-Physikalischer Salon, Dresden - DSC07976.JPG - Wikimedia Commons
![Pascal's calculator (also known as the arithmetic machine or Pascaline), Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA_137_0910 | agefotostock Pascal's calculator (also known as the arithmetic machine or Pascaline), Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA_137_0910 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/f16f0c46dbe4189d3f1f4cfa8b34b990/iam-wha_137_0910.jpg)
Pascal's calculator (also known as the arithmetic machine or Pascaline), Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA_137_0910 | 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 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://previews.agefotostock.com/previewimage/medibigoff/fac6b3672666734fc452eeeb8fad5070/iam-wha_137_0913.jpg)