To enter a basic formula in Excel, enter an equal sign into the cell where you want to place the formula. This signals to Excel that the following input is formula input. The formula itself varies depending on the type o... 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 »

The average function on Excel allows you to find the average of a list of numbers, named ranges, arrays or cell references. This project takes just a few minutes and requires only a computer with Microsoft Excel and the ... More »

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SUM, COUNT, CONCATENATE and LEN are some basic formulas to use in Excel. These are predefined formulas that perform operations within user-specified parameters or arguments. Formulas begin with the equal sign, enclose pa... 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 »

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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Use the built-in formula calculations in Excel to help calculate totals. Creating a column of totals allows users to see real-time totals as information is added and updated. More »

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