VisiCalc running on an Apple II
Visicalc running on an Apple II.
Detail map of Boston, Massachusetts, United States Overview map of Boston, Massachusetts, United States

A: Boston, Massachusetts, United States

Dan Bricklin Introduces VisiCalc, the First Spreadsheet Program

1979
An example of VisiCalc running on an Apple II.
An example of VisiCalc running on an Apple II.

In 1979 Dan Bricklin, a student at Harvard Business School, and Bob Frankston wrote VisiCalc, the first spreadsheet program, for the Apple II. It helped dispel the notion that the Apple II was only a toy for hobbyists. The PC version of VisiCalc was called "the first killer app" for the PC.

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