Parabola Grapher


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		<table
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		cellspacing=2
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		<tr>

		<td>

		<b>

		<h3>Parabolic 
		Calculator</h3>

		<input
		name="a"
		size="3">X<sup>2</sup>+

		<input
		name="b"
		size="3">X 
		+

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		name="c"
		size="3">

		<br>

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		type="button"
		value="x-top"
		name="x-top"
		onclick="xtop(this.form)">

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		name="y-top"
		onclick="ytop(this.form)">

		<input 
		type="button"
		value="crd"
		name="crd"
		onclick="doCoord(this.form)">

		<input 
		type="button"
		value="disc."
		name="D"
		onclick="disc(this.form)">

		<br>

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		type="button"
		value="0-points"
		name="zeroes"
		onclick="zeroes1(this.form);zeroes2(this.form)">

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		value="do 
		all">

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		form.o.value<0) move_in('p','p7.gif')"
		value="show 
		e.g.">

		<br>

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		type="text"
		name="u"
		size="8"> 
		x-top<br>

		<input
		type="text"
		name="u2"
		size="8"> 
		y-top<br>

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		type="text"
		size="8"
		name="co"
		onmouseover="form.rem.value=form.co.value"> 
		Coord.<br>

		<input
		type="text"
		size="8"
		name="o"> 
		Discriminant<br>

		<input
		type="text"
		size="8"
		name="n"> 
		neg zero pt.<br>

		<input
		type="text"
		size="8"
		name="n2"> 
		pos zero pt.

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		type="hidden"
		value=""
		name="rem"><br>

		<input
		type="reset"
		value="reset"><br>

		</b>

		</td>

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Parabola Grapher

Parabolic Calculator
