<h3>toreal() function</h3>
Converts a string to real number. Nothing changed if a value cannot be converted to real (e.g '123.56asd' is invalid). Numbers are rounded after saving changes if the precision is smaller than the result of the conversion.

<p><h4>Syntax</h4>
     toreal(<i>string</i>)</p>

<p><h4>Arguments</h4>
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<i>  string</i> &rarr; is string.  The String to convert to real number.</p>

<p><h4>Example</h4>
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     toreal('123.45') &rarr; 123.45</p>
