VisiCalc was a ‘killer app’ years ahead of its time, and still says much about the way we understand computers Tidying my office the other day, as one does at this time of year, I came upon a shabby, ...

Individual user productivity is to Unified Communications as VisiCalc was to personal computing. VisiCalc, of course, was one the first software programs that enabled individuals to harness a PC to ...

Dan Bricklin first came up with the idea of an electronic spreadsheet while he was at Harvard Business School in 1978. He later joined forces with Bob Frankston and Dan Fylstra to publish the ...

In 1979, two M.I.T. computer-science alumni and a Harvard Business School graduate launched a new piece of computer software for the Apple II machine, an early home computer. Called VisiCalc, short ...

This brown three-ring binder has the user manual for VisiCalc made for the TRS-80 Model I. The manual was sold by Radio Shack of Fort Worth, Texas, following Personal Software, Inc., of Sunnyvale, ...

In the summer of 1978, a Harvard student named Dan Bricklin was cycling along a path in Martha's Vineyard, when he had a big idea. As an MBA student, he was being taught to do financial planning using ...

When the IBM PC first hit the market in 1981, it didn't have a lot of software. In PC Magazine's second issue, we looked at IBM's "Personal Computer Software Publishing Department"—an arm of the ...