![Calculating Machine Designed By French Mathematician Blaise Pascal In 1642 When He Was Nineteen Years Old. It Could Perform Addition And Subtraction. History - Item # VAREVCHISL022EC198 - Posterazzi Calculating Machine Designed By French Mathematician Blaise Pascal In 1642 When He Was Nineteen Years Old. It Could Perform Addition And Subtraction. History - Item # VAREVCHISL022EC198 - Posterazzi](https://cdn11.bigcommerce.com/s-yzgoj/images/stencil/1280x1280/products/1900370/2759125/apilrvuwh__95482.1626405473.jpg?c=2)
Calculating Machine Designed By French Mathematician Blaise Pascal In 1642 When He Was Nineteen Years Old. It Could Perform Addition And Subtraction. History - Item # VAREVCHISL022EC198 - Posterazzi
![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)
Machines | Free Full-Text | Blaise Pascal's Mechanical Calculator: Geometric Modelling and Virtual Reconstruction
![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_0914 | agefotostock Pascal's calculator (also known as the arithmetic machine or Pascaline), Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA_137_0914 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/ec945aa2d95c85ff05ef805e822306fe/iam-wha_137_0914.jpg)
Pascal's calculator (also known as the arithmetic machine or Pascaline), Stock Photo, Picture And Rights Managed Image. Pic. IAM-WHA_137_0914 | 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)