Answer:
You can create a simple formula to add, subtract, multiply or divide values in your worksheet. Simple formulas always start with an equal sign (=), followed by constants that are numeric values and calculation operators such as plus (+), minus (-), asterisk(*), or forward slash (/) signs.
Let's take an example of a simple formula.
On the worksheet, click the cell in which you want to enter the formula.
Type the = (equal sign) followed by the constants and operators (up to 8192 characters) that you want to use in the calculation.
For our example, type =1+1.
Notes:
Instead of typing the constants into your formula, you can select the cells that contain the values that you want to use and enter the operators in between selecting cells.
Following the standard order of mathematical operations, multiplication and division is performed before addition and subtraction.
Press Enter (Windows) or Return (Mac).
Let's take another variation of a simple formula. Type =5+2*3 in another cell and press Enter or Return. Excel multiplies the last two numbers and adds the first number to the result.
Use AutoSum
You can use AutoSum to quickly sum a column or row or numbers. Select a cell next to the numbers you want to sum, click AutoSum on the Home tab, press Enter (Windows) or Return (Mac), and that's it!
AutoSum on the Home tab
When you click AutoSum, Excel automatically enters a formula (that uses the SUM function) to sum the numbers.
Note: You can also type ALT+= (Windows) or ALT+ COMMAND += (Mac) into a cell, and Excel automatically inserts the SUM function.
Explanation:
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