# CoffeeScript Math - exp()

## Description

The exp() method accepts a number and returns its Ex value. Where x is the argument, and E is Euler's constant the base of the natural logarithms

## Syntax

Given below is the syntax of exp() method of JavaScript. We can use the same method in the CoffeeScript code.

```Math.exp ( x )
```

## Example

The following example demonstrates the usage of the exp() method in CoffeeScript. Save this code in a file with name math_exp.coffee.

```value = Math.exp 1
console.log "The exponential value of 1 is : " + value

value = Math.exp 52
console.log "The exponential value of 52 is : " + value

value = Math.exp 0.78
console.log "The absolute value of 0.78 is : " + value
```

Open the command prompt and compile the .coffee file as shown below.

```c:\> coffee -c math_exp.coffee
```

On compiling, it gives you the following JavaScript.

```// Generated by CoffeeScript 1.10.0
(function() {
var value;

value = Math.exp(1);

console.log("The exponential value of 1 is : " + value);

value = Math.exp(52);

console.log("The exponential value of 52 is : " + value);

value = Math.exp(0.78);

console.log("The absolute value of 0.78 is : " + value);

}).call(this);
```

Now, open the command prompt again, and run the CoffeeScript file as shown below.

```c:\> coffee math_exp.coffee
```

On executing, the CoffeeScript file produces the following output.

```The exponential value of 1 is : 2.718281828459045
The exponential value of 52 is : 3.831008000716576e+22
The absolute value of 0.78 is : 2.1814722654982015
```
coffeescript_math.htm