$\"\"$

The natural logarithm of a number is its logarithm to the base $\"\"$ , where $\"\"$ is an irrational and transcendental constant.

The base of the natural logarithm function is by definition $\"\"$ .

$\"\"$

The value of $\"\"$ is approximately equal to $\"\"$ .

Definition of $\"\"$ :

The letter $\"\"$ denotes the positive real numbers such that,

$\"\"$ . $\"\"$

The natural logarithm of a number is its logarithm to the base $\"\"$ , where $\"\"$ is an irrational and transcendental constant.