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 »

The formula for calculating compound annual growth rate (CAGR) in Excel is: = ((FV/PV)^(1/n)) – 1, where "FV" is the ending value, "PV" is the beginning value and "n" is the number of years. CAGR is a measurement of the ... More »

To divide by the sum of cells A1 through A10 by 2 in Excel, use the formula: =SUM(A1:A10)/2. It is also possible to enter numbers directly into the formula. More »

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 »

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 »

To calculate covariance in Excel, use the covariance function. The syntax of the function is: COVARIANCE.P(array1,array2), where array1 and array2 are the two sets of data for which the covariance is being determined. More »

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 »