# Learn Excel in 15 Seconds – How to Add, Subtract, Multiply & Divide Numbers in Excel – Easy Excel Formula

**Excel Tutorial – 01: Learn How to Add, Subtract, Multiply & Divide Numbers in an Excel Cell.**

Hint 1: Always start a Formula by typing the “**=**” sign

Hint 2: Excel will calculate your formula as soon as you press the “**Enter**” key.

The 15 second Video Tutorial;

For clarity, non-decimal numbers were used in the Video. You can of course type in any number you like and Excel will calculate the answer for you.

**Excel Tutorial – 02**

The next 15 second Tutorial will show how to perform math operations on numbers that already exist in other Excel cells. I.e. we will introduce **Cell-References**…

…Tutorial – 02 is here.