![World of Engineering on Twitter: "Historic invention of the day: 1642: Mechanical calculator. The Pascaline is built by Blaise Pascal https://t.co/Ap0SBA8cDl" / Twitter World of Engineering on Twitter: "Historic invention of the day: 1642: Mechanical calculator. The Pascaline is built by Blaise Pascal https://t.co/Ap0SBA8cDl" / Twitter](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" / Twitter
![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
![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://previews.agefotostock.com/previewimage/medibigoff/fac6b3672666734fc452eeeb8fad5070/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
![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
![Pascal's calculator (also known as the arithmetic machine or Pascaline), a mechanical calculator invented by Blaise Pascal's calculator (also known as the arithmetic machine or Pascaline), a mechanical calculator invented by Blaise](https://d2sze6qxvc07yt.cloudfront.net/cdn/topfoto/previews/23517/dfdd483b5a38edbc07d4c686cd020d8a/5/675015e329380a3665ba57e82d7491d4/7054888.jpg)
Pascal's calculator (also known as the arithmetic machine or Pascaline), a mechanical calculator invented by Blaise
![Machines | Free Full-Text | Blaise Pascal's Mechanical Calculator: Geometric Modelling and Virtual Reconstruction Machines | Free Full-Text | Blaise Pascal's Mechanical Calculator: Geometric Modelling and Virtual Reconstruction](https://pub.mdpi-res.com/machines/machines-09-00136/article_deploy/html/images/machines-09-00136-g024.png?1627026228)