Sunday, September 20, 2015

Spread sheets.......u change one number.............and the rest change.............that was mentioned in the air and space 2nd floor film on the history of the space race.....................a predecessor of the below........


  1. Microsoft Excel is a spreadsheet application developed by Microsoft for MicrosoftWindows, Mac OS X, and iOS. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications.

    2. Microsoft Excel - Wikipedia, the free encyclopedia

    https://en.wikipedia.
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