Blaise Pascal was a mathematician, a scientist, a philosopher, a Christian writer and the son of a tax collector in 17th century France. The family business involved a lot of tedious arithmetic, so ...

Anyone who is baffled by mathematics beyond the multiplication tables can imagine with awe the Brobdingnagian mental efforts involved in inventing a clerkproof, 5,500-part machine that adds, subtracts ...

Back in February, I posted a video interview with Tom Osborne, the man who essentially invented the HP 9100, HP’s first calculator, and defined HP’s first scientific pocket calculator, the HP 35.

Calculators have evolved over centuries from large computing machines into today’s highly functional, pocket-sized devices capable of performing complex computations, graphing multiple lines at once ...