https://padlet.com/marianarbk/zhnrr3e8k8l2 ACTIVIDAD 5 MARIANA CHAVEZ en-us 2019-01-23 13:39:25 UTC 2019-01-23 14:30:10 UTC hello@padlet.com marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323431026 By the fall of 1978, Bricklin had programmed the first working prototype of his concept in integer basict]]> 2019-01-23 13:51:44 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323431026 marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323432999 In May 1979, Fylstra and his firm Personal Software (later renamed VisiCorp) began marketing "VisiCalc" with a teaser ad in Byte Magazine. ]]> 2019-01-23 13:55:17 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323432999 marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323434226 In 1961, Professor Richard Mattessich pioneered the development of computerized speadsheets for use in business accounting]]> 2019-01-23 13:56:56 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323434226 marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323438120 Beginning in September 1983,  Mitch Kapor developed Lotus and his spreadsheet program quickly became the new industry spreadsheet standard

]]> 2019-01-23 14:04:32 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323438120 marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323440674 In 1983, the company reported revenues of $53 Million and had a successful public offering. In 1984, Lotus tripled in revenue to $156 Million.]]> 2019-01-23 14:09:28 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323440674 marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323442728 When Microsoft launched the Windows operating system in 1987, Excel was one of the first application products released for it.]]> 2019-01-23 14:12:57 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323442728 marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323443272 In 1989 Excel was Microsoft's flagship product]]> 2019-01-23 14:13:52 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323443272 marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323447905 In January of 1987, Lotus Development filed suit against Paperback Software and separately against Mosaic Software claiming they had infinged on the Lotus 1-2-3 spreadsheet software]]> 2019-01-23 14:21:34 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323447905 marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323448413  Lotus had acquired all rights.]]> 2019-01-23 14:22:20 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323448413 marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323452714 1995, IBM acquired Lotus Development and Microsoft Excel is the spreadsheet market leader.]]> 2019-01-23 14:28:45 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323452714 marianarbk https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323453756 1995, IBM acquired Lotus Development and Microsoft Excel is the spreadsheet market leader.]]> 2019-01-23 14:30:10 UTC https://padlet.com/marianarbk/zhnrr3e8k8l2/wish/323453756