# Powers and calculators

How to work out powers (Indices/exponents) on a calculator.

First work out an easy power you know

What is 2^2?

And we know it is 2xx2=4

## Now on a calculator

Always try this easy one first so that you know you are pressing the correct buttons.

Enter 2

Press Xy button

Enter 2

Press =

Now you can go onto more difficult powers.

### Example 1

Put in 4^10 on a calculator

(Remember this is 4times4times4........ Ten times)

Enter 4

Press Xy button

Enter 10

Press =

Answer should be 4^10=1,048,576