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Select a cell, and then type an arithmetic operator (+, -, *, or /).

Type = (an equal sign) to begin the formula.

Click a cell where you want to enter a formula.

If you want part of a formula to remain a relative reference, remove the dollar sign that appears before the column letter or row number. When you enter a cell reference in a formula, Excel assumes it is a relative reference unless you change it to an absolute reference. An absolute cell reference is a cell address that contains a dollar sign ($) in the row or column coordinate, or both. When you want a formula to consistently refer to a particular cell, even if you copy or move the formula elsewhere on the worksheet, you need to use an absolute cell reference. Learn More о”ЂBuy Using Absolute Cell References

Excel functions