Excel is an application used mostly for making accountants job easier. also there are more applications that accountants use for efficiency. knowing that excel would mean that is an app used for making calculations, data storage more efficiently 
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Microsoft Excel is a spreadsheet application developed by Microsoft for Microsoft Windows and Mac OS. It features calculation, graphing toolspivot 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.
microsoft excel is when you make a grade