Pictured here is a massive 50-foot timeline on the history of math from IBM’s Mathematica exhibit at the 1964 World’s Fair in New York City. The exhibit has been digitally reinvented as an interactive ...

IBM rolled out a free iPad app on Thursday that offers a digital version of a 50-foot-long math timeline that was designed by Charles and Ray Eames as part of an IBM-sponsored math exhibit at the 1964 ...