Not only did VisiCalc
sell, but it helped sell Apples.
, the first spreadsheet program, gave Apple a boost when it appeared in 1979 in an Apple version.
In the early 1980s, the recalculation feature of the VisiCalc
spreadsheet appealed to administrators involved
The one important piece that's missing is a software application that will do for 3D printing what VisiCalc
did for the Apple II, namely: Make the printers immediately useful to mainstream users.
After retirement, he was a self-employed tax preparer at his business, Tax Time, where he developed one of the first tax preparation programs using VisiCalc
on the first Apple computer.
In the late '70s, the first spreadsheet modeling package, Visicalc
, was introduced.
When I first used VisiCalc
, I thought it a very useful tool when I had the formulas, but how could I design a spreadsheet if there was no known formula for the quantities I was trying to predict?
I once faked a VisiCalc
demo with a BASIC program, so maybe we could do that.
While financial analysis software was then available on mainframes, Visicalc
ran on an early personal computer (the Apple II), its results could be seen immediately, and the analyses could be done over and over again.
None of the engineers designing software for the IBM 360 series, none of the parents of Berkeley UNIX, nobody before Dan Bricklin programmed Visicalc
had any idea of the utility of a spreadsheet program.
98) The history of PC software is full of deposed leaders, once seen as unbeatable, such as VisiCalc
and Lotus 1-2-3 in spreadsheets, WordStar and WordPerfect in word processing, and dBASE in databases.
In 1979, he and Bob Frankston created the first electronic spreadsheet, VisiCalc