Microsoft Excel 2.0
Released October 31, 1987 by Microsoft
For Windows 2.x

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Excel, from Microsoft, is a powerful spreadsheet application for Mac,
Windows, and OS/2. Excel was first released for the Mac. When it was
ported to Windows 2.x, they started at version "2.0" to match the
current Mac version. There was never a DOS version. Instead, DOS and
8-bit platforms used the older Microsoft Multiplan. Excel was later
bundled as part of Microsoft Office

Based on concepts from the granddaddy of all spreadsheets, VisiCalc,
some of the spreadsheets it competed against and ultimately conquered
include: Lotus 1-2-3, Quattro Pro, The Twin, VP-Planner, Ashton Tate
Full Impact, Boeing Calc, Surpass Software System's Surpass
Spreadsheet, and the German StarCalc (Today part of LibreOffice).

Excel 2.0 is the very first version of Excel for the PC. Version 1.x 
was only available for the Mac. Excel 2.x for Windows runs under 
Microsoft Windows 2 or a Windows 2 runtime.

Excel 2.0 for Windows was released on both 3.5" 720k and 5.25" 1.2mb
floppy disks, but could also be obtained on 360k. 
