In this Python tutorial, we will discuss how to calculate the exponential value of a number in Python. Moreover, we’ll look at various examples to calculate the exponential value of a number.

Recently, I have been working on a machine learning project and found that it requires the exponential value of a number. So I have researched and found that we have to use the Python exp() method.

Here we will learn

- How to calculate the exponential value of a number in Python using exp()
- How to calculate the exponential value of a number in Python using the ** operator.
- How to calculate the exponential value of a number in Python using pow().
- How to calculate the exponential value of a number in Python using math.pow().

### How to calculate the exponential value of a number in Python using exp()

- In this section, we will discuss how to calculate the exponential value of a number using exp().
- Python’s built-in exp() function can be used to determine any number’s power of e value. signifies e^n, where n is the supplied number. 2.71828 is approximately equal to the value of e. The exp() function is part of the math library, so before using it, we must import the math library.
- The
**math.exp(x)**function, where e is the base of the natural logarithm, returns the value of e raised to the power of x.

**Syntax:**

Let’s have a look at the Syntax and understand the working of **math.exp(x)** in Python

`math.exp(x)`

**Example:**

Here we will take an example and check how to calculate the exponential value of a number using exp().

**Source Code:**

```
import math
new_val = 7
new_output = math.exp(new_val)
# Display the Content
print('Exponent of value :', new_output)
```

Here is the Screenshot of the following given code

Read: Python program to print prime numbers

### How to calculate the exponential value of a number in Python using the ** operator

- Now let us understand how to calculate the exponential value of a number using the ** operator.
- We used the ** operator in this example to calculate the exponential value.

**Example:**

Here we will take an example and check how to calculate the exponential value of a number using the ** operator.

```
new_base = 8
new_exp = 3
print ("Exponential Value is: ", new_base ** new_exp)
```

Here is the implementation of the following given code

Read: Python concatenate arrays

### How to calculate the exponential value of a number in Python using pow()

- Python provides a built-in pow() function that users can use to calculate the exponential value in addition to the ** operator.
- After accepting the base and exponent as inputs, the function returns the equivalent value.
- One of the built-in functions, pow(), accepts two to three arguments. When two parameters are supplied, it assists in determining the exponential value; if a third argument is passed, the exponential value’s modulus is then determined.

**Example:**

Let’s take an example and check how to calculate the exponential value of a number using pow().

**Source Code:**

```
new_base = 16
new_exponent = 4
# using pow() function
result= pow(new_base, new_exponent)
print("Exponential value is :",result )
```

In the following given code first, we declared two variables ‘new_base’ and new_exponent. Next, we used the pow() function to get the exponential value of input numbers.

Here is the implementation of the following given code

Read: Python Program for even or odd

### How to calculate the exponential value of a number in Python using math.pow()

- In this section, we will discuss how to calculate the exponential value of a number using math.pow().
- The value of x raised to the power of y is returned by the math.pow(x, y) function, which requires two inputs. It raises a ValueError if x is negative and y is not an integer.
- Both parameters are converted into floats using
**math.pow()**function, which then outputs the float datatype.

**Example:**

```
import math
new_output= math.pow(7, 2)
print(new_output)
```

In the above code first, we imported the math library and then used the **math.pow()** function and within this function, we passed the exponential and power value.

You can refer to the below Screenshot

You may also like to read the following Python tutorials.

- How to find perfect number in Python
- How to reverse a number in Python
- How to swap two numbers in Python
- Python program for birthday wishes

In this article, we have discussed how to calculate the exponential value of a number. Also, we have covered the following given topics.

- How to calculate the exponential value of a number in Python using exp()
- How to calculate the exponential value of a number in Python using the ** operator.
- How to calculate the exponential value of a number in Python using pow().
- How to calculate the exponential value of a number in Python using math.pow().

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