<p>The <b>SQRTPI</b> function is one of the math and trigonometry functions. It is used to return the square root of the <b>pi</b> constant (<b>3.14159265358979</b>) multiplied by the specified number.</p>
<p>where <b><em>x</em></b> is the number you wish to multiply the <b>pi</b> constant by, a numeric value entered manually or included into the cell you make reference to.</p>
<pclass="note"><b>Note</b>: if the <b>x</b> value is negative, the function returns the <b>#NUM!</b> error.</p>