# Basic arithmetic in Excel

Formulas are the backbone of most advanced calculations within Excel. Think of a formula as an equation — it's a series of steps that lead to a final output. You can tell Excel that you're entering a formula in Excel by starting your input with the equals sign (

=5 +4

Output:9

Since Excel sees the

Formulas in Excel use the standard mathematical

- Parentheses
- Exponents (^)
- Multiplication (*)
- Division (/)
- Addition (+)
- Subtraction (-)

Take a look at the following equations, and see whether you can figure out how Excel arrives at the outputs specified:

=8 +4

Output:12

=8 +4 /4

Output:9

=(8 +4 )/4

Output:3

=8 +4 ^2

Output:24

=(8 +4 )^2

Output:144

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