<h3>format_number() function</h3>
Returns a number formatted with the locale separator for thousands. 
Also truncates the number to the number of supplied places. 
<h4>Syntax</h4>
<code>format_number(number,places)</code><br>

<h4>Arguments</h4>
<code>number</code> - is number. The number to be formatted.
<br>
<code>places</code> - is int. The number of decimal places to truncate the string
to.

<h4>Example</h4>
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<code>format_number(10000000.332,2) &rarr; 10,000,000.33</code>