<script
language="javascript"
type="text/javascript">
function
quad(form)
{
a=eval(form.a.value);
b=eval(form.b.value);
c=eval(form.c.value);
x1=-b/2/a+Math.pow(Math.pow(b,2)-4*a*c,0.5)/2/a;
x2=-b/2/a-Math.pow(Math.pow(b,2)-4*a*c,0.5)/2/a;
form.x1.value
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x1;
form.x2.value
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x2;
if
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form.x1.value="Imag.!";
if
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"NaN")
form.x2.value="Imag.!";
}
</script>
<form
name=form>
<table
border=1
cellpadding=2>
<tr>
<td
colspan=2
align=center><b>Quadratic
Equation:<br>Ax<sup>2</sup>
+ Bx + C = 0</b></td>
</tr>
<tr>
<td>
<center><table
border=1
width=100%
cellpadding=2>
<tr>
<td
align=center><b>A
= </b></td>
<td
align=center><input
type=text
size=6
name="a"></td>
</tr>
<tr>
<td
align=center><b>B
= </b></td>
<td
align=center><input
type=text
size=6
name="b"></td>
</tr>
<tr>
<td
align=center><b>C
= </b></td>
<td
align=center><input
type=text
size=6
name="c"></td>
</tr>
</table>
</td>
<td>
<center><table
border=1
width=100%
cellpadding=2>
<tr>
<td
colspan=2
align=center>
<input
type=button
value="Solve"
onClick="quad(this.form)"></td>
</tr>
<tr>
<td
align=center><b>X1
= </b></td>
<td
align=center><input
type=text
size=6
name="x1"></td>
</tr>
<tr>
<td
align=center><b>X2
= </b></td>
<td
align=center><input
type=text
size=6
name="x2"></td>
</tr>
</table>
</td>
</tr>
</table>
</form>