VisiCalc software

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  • Details
  • Description
Date Introduced
1979
Photographer
Richards, Mark
Dimensions
closed: 10 in x 8 in x 1 1/2 in; open: 10 in x 16 1/4 in x 3 in
Manufacturer
Personal Software, Inc.
Credit Line
Gift of Dan Bricklin
Copyright Owner
© Mark Richards
Location
United States
Keywords
Apple; Business; Software
Object ID
102639373

VisiCalc, the first spreadsheet for personal computers, was followed by spreadsheets from Lotus, Microsoft, Borland and others. VisiCalc wasn’t patented because software patents generally were not issued until after a groundbreaking 1981 Supreme Court ruling.