Select the cell where you want the result
Type `=`
Enter the formula using cell references, numbers, and operators
Use `+` for addition
Use `-` for subtraction
Use `*` for multiplication
Use `/` for division
Use `^` for exponentiation
Use parentheses `( )` to control calculation order
Press `Enter` to calculate the formula
Use cell references like `A1`, `B2`, or `C3`
Use functions like `SUM`, `AVERAGE`, `MIN`, and `MAX`
Example: `=A1+B1`
Example: `=SUM(A1:A10)`
Example: `=AVERAGE(B1:B5)`
Copy formulas by dragging the fill handle
Use absolute references with `$`, such as `$A$1`, when needed