The Pascaline, an early mechanical calculator, was built in 1642 by mathematician Blaise Pascal.

A rare 17th-century calculating machine created by French mathematician Blaise Pascal has become the center of a heated legal ...

A Paris court has halted the sale of one of the world's oldest known calculators, blocking its scheduled auction and export ...

Christie's said Wednesday it was suspending the Paris auction of one of just a handful of examples of the world's first calculating machine, developed by French mathematician and inventor Blaise ...

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

A French court has blocked the export and foreign purchase of a 17th century arithmetic machine invented by Blaise Pascal to ...