By Got Your Backs
php index.php <operation> <param1> <param2> <param2> ...
To get the exponent value for a number,
Syntax: `php index.php exponent number number`
Example `php index.php exponent 2 3`
The above example will print `8`
To get addition of two numbers
syntax: `php index.php Add number number`
Example `php index.php Add 4 5`
The above example will print `9`
To get Subtraction of two numbers
syntax: `php index.php Subtraction number number`
Example `php index.php Add 10 9`
The above example will print `1`