# How to calculate Exponents in Python

## Table of Contents

Exponentiation is the operation in which a number is multiplied by itself a certain number of times.

Just like in the real-world, using exponents is useful in programming languages whenever you want to repeat multiplication.

In this post, we'll look at how to calculate the exponent of a number in Python.

## Using the ** operator

The easiest way to calculate the exponent of a number is to use the `**`

operator.

This operator uses the left-hand side number to be the base and the right-hand side number to be the exponent.

For example, this is how to calculate the exponent of 2 to the power of 3:

```
PYTHONprint(2 ** 3)
```

```
BASH8
```

This does the same thing as the following:

```
PYTHONprint(2 * 2 * 2)
```

```
BASH8
```

## Using the pow() function

You can alternatively use Python's `math`

module to calculate the exponent of a number.

This module exposes a function called `pow()`

which takes two arguments, the base and the exponent.

Simply import the `math`

module and then use the `pow()`

function to calculate an exponent:

```
PYTHONimport math
print(math.pow(2, 3))
```

```
BASH8
```

You can also omit the `math`

module if you want to use the `pow()`

function directly.

```
PYTHONprint(pow(2, 3))
```

```
BASH8
```

There is a slight difference between these two scenarios, however. The difference is that `math.pow`

will always return a `float`

but `pow`

will only return a `float`

if either number is already a `float`

.

Another thing to note is that `math.pow`

can result in an overflow error if the exponent is too large.

The error will look like this:

```
BASHOverflowError: math range error
```

## Conclusion

In this post, we looked at the best ways to calculate exponents in Python.

To summarize, you can either use the `**`

operator or import the `math`

module and use the `pow()`

function or `math.pow()`

to calculate exponents.

Hopefully, this has been helpful to you. Thanks for reading!

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