<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> → is string. The String to convert to real number.</p>
<p><h4>Example</h4>
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toreal('123.45') → 123.45</p>
