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The formula to calculate age in Excel is: =DATEDIF(CELLREF,TODAY(),"Y") & " Years, " & DATEDIF(CELLREF,TODAY(),"YM") & " Months, " & DATEDIF(CELLREF,TODAY(),"MD") & " Days". In this formula, replace "CELLREF" with the co... More »

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Formulas can be written in different ways on Excel. They can be created using constants and calculation operators or by use of cell references and names. A formula can also be created using a function, a nested function,... More »

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You can create a formula in Microsoft Excel by using constants and calculation operators, cell references and names, or functions. Simple formulas to add, subtract, multiply or divide cell values are entered directly in ... More »

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Standard deviation is calculated in Excel by using the formula SDEV(ARRAY), where ARRAY represents the range of numbers for which the standard deviation is being determined. This range is either a row or a column of cell... More »

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To subtract in Excel, enter the numbers in a cell using the formula =x-y, complete the same formula using the column and row headings of two different cells, or use the SUM function with negative numbers. Excel does not ... More »

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Microsoft Excel does not have an automatic function that allows you to calculate percentage change. Despite this, you can find the percentage change between two numbers in a spreadsheet if you know the proper formula to ... More »

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There are two basic ways of calculating variance in Excel using the function VAR or VAR.S. These functions can then calculate variance in several ways: use of numbers in arguments of function =VAR(2,3,4,5,6,7,8,125), use... More »

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