Microsoft Excel Microsoft Excel
（重定向自.xls）
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![Use of a user-defined function sq(x) in Microsoft Excel. The named variables x & y are identified in the Name Manager. The function sq is introduced using the Visual Basic editor supplied with Excel.](/Images/godic/202502/21/Functions_in_Excel4548.PNG")
![Subroutine in Excel calculates the square of named column variable x read from the spreadsheet, and writes it into the named column variable y.](/Images/godic/202502/21/Subroutine_in_Excel4548.PNG")
Microsoft Excel is a spreadsheet developed by Microsoft for Windows, Mac OS X, Android and iOS. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications. It has been a very widely applied spreadsheet for these platforms, especially since version 5 in 1993, and it has replaced Lotus 1-2-3 as the industry standard for spreadsheets. Excel forms part of Microsoft Office.