Nyall Dawson bd9e02be95 Add alias support for expression functions
Standardise naming of all internal functions to lowercase with
underscore convention. Add aliases for old names to avoid
breakage.
2015-05-03 20:57:36 +10:00

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<h3>to_string() function</h3>
Converts a number to string.
<p><h4>Syntax</h4>
to_string(<i>number</i>)</p>
<p><h4>Arguments</h4>
<!-- List args for functions here-->
<i>number</i> &rarr; is integer or real. The number to convert to string.</p>
<p><h4>Example</h4>
<!-- Show example of function.-->
to_string(123) &rarr; '123'</p>