Blaise Pascal is known for a number of things, but we remember him best for the Pascaline, an early mechanical calculator. [Chris Staecker] got a chance to take a close look at one, which is quite ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. In 1642, French mathematician Blaise Pascal invented a calculating machine that could add and ...

NPR's Ailsa Chang speaks to mathematician Eugenia Cheng about the Pascaline -- a 17th-century invention credited as the first mechanical calculator.

The last Pascaline arithmetic machine in private hands will be sold at Christie’s Paris on November 19 where it is expected to command a handsome sum between €2 million and €3 million ($2.4 million–$3 ...

Anyone who’s taken classes in geometry, algebra, trigonometry or other advanced math forms has certainly encountered the graphing calculator before. These multi-function devices make incredibly ...