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| Robert Frankston & Dan Bricklin invented VisiCalc, the first spreadsheet. It came out with the Apple II computer. VisiCalc did very well in its first year because it could run. On personal computers, could perform simple math formulas, and gave immediate results. |
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| Professor Richard Mattessich was the first to develop a computerized spreadsheet |
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| DIF formats were invented. Data was more portable and could be shared with other programs |
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| New versions of DIF, SuperCalc, and some other programs came out to the public. |
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| Lotus 123 was introduced. It allowed people to chart information and identify cells. For example cell A1. |
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| New spreadsheet programs such as Excel and Corel Quattro Pro were introduced. This allowed people to add graphics. They are different because they include graphic capabilities. |
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| Spreadsheet programs in use today are Excel, Appleworks, Filemaker, and Corel Quattro Pro. |
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