<div class="gmail_quote">On Mon, Nov 21, 2011 at 13:10, TAY wee-beng <span dir="ltr"><<a href="mailto:zonexo@gmail.com">zonexo@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
- sqrt: DOMAIN error</blockquote></div><br><div>You are trying to take the (real-valued) square root of a negative number. Find out why that is happening.</div>