Your worksheet contains a price in cell a5, and many formulas refer to that price would you refer to that price in the formulas $A$5.
Functions are built-in formulas used to enter commonly used or very complex formulas. Functions, like formulas, begin with an equals sign "=" and use cell references in that format. A commonly used function is the Sum function, which adds values within a range.
This function takes the following arguments: number1 (required argument) - This is the first number in the cell reference or cell range you want to average. Number2 (optional argument) - these are additional numbers, cell references, or ranges for which you want the average.
The SUM function adds values. You can add individual values, cell references or ranges, or a combination of all three. Example: =SUM(A2:A10) Adds the values in cells A2:10.
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