Test scribe fire

$a_b$

 

$$f_g$$

test math

Maths between dollars is inline: $\sum_{k=1}^n k = \frac{n(n+1)}{2}$.

Maths between slash-square-brackets is display:
\[\sum_{k=1}^n k = \frac{n(n+1)}{2}\]

$$\sum_{k=1}^n k = \frac{n(n+1)}{2}$$

Test script

<?php
$example = range(0, 9);
foreach ($example as $value)
{
 echo $value;
}