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<HTML>
<HEAD>
<TITLE>JavaScript:Beispiel
5</TITLE>
<SCRIPT
language="JavaScript">function loese() {
var
p=document.formular.p.value;
var
q=document.formular.q.value;
if (p*p/4<q) document.
formular.x1.value="keine Loesung";
else
{document.formular.x1.value=-p/2+Math.sqrt(p*p/4-q)
document.formular.x2.value=-p/2-Math.sqrt(p*p/4-q);
}
}</SCRIPT>
</HEAD>
<BODY>
<FORM
name=formular>
<CENTER><FONT
SIZE="+1"><B>x<SUP>2</SUP></B>
+
</FONT>
<INPUT TYPE=text NAME=p
VALUE="" SIZE=5><FONT
SIZE="+1"><B>x
+</B></FONT>
<INPUT TYPE=text NAME=q
VALUE="" SIZE=5>
<FONT SIZE="+1"><B>=
0</B>
</FONT>
<P><FONT
SIZE="+1"><B><INPUT TYPE=button NAME=knopf
VALUE="loesen"
onclick="loese()"></B></FONT>
<P><FONT
SIZE="+1"><B>x1=<INPUT TYPE=text NAME=x1
VALUE="" SIZE=30></B></FONT>
<P><FONT
SIZE="+1"><B>x2=<INPUT TYPE=text NAME=x2
VALUE=""
SIZE=30></B></FONT></CENTER>
</FORM>
</BODY>
</HTML>
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