<html>
<head>
<title>Untitled</title>
</head>
<body>
<form name="fTriangleCalculate">
<table>
<tr>
<td rowspan="11"></td>
<td>Side a:</td>
<td><input name="inSideA"></td>
</tr>
<tr>
<td>Side b:</td>
<td><input name="inSideB"></td>
</tr>
<tr>
<td>Side c:</td>
<td><input name="inSideC"></td>
</tr>
<tr>
<td>Vinkel A:</td>
<td><input name="inAngleA"></td>
</tr>
<tr>
<td>Vinkel B:</td>
<td><input name="inAngleB"></td>
</tr>
<tr>
<td>Vinkel C:</td>
<td><input name="inAngleC"></td>
</tr>
<tr>
<td>Højden vinkelret på a:</td>
<td><input name="inHeightA"></td>
</tr>
<tr>
<td>Højden vinkelret på b:</td>
<td><input name="inHeightB"></td>
</tr>
<tr>
<td>Højden vinkelret på c:</td>
<td><input name="inHeightC"></td>
</tr>
<tr>
<td>Areal:</td>
<td><input name="inAcreage"></td>
</tr>
<tr>
<td>Omkreds:</td>
<td><input name="inCircumference"></td>
</tr>
</table>
<button name="ButtonTriangleCalculate">Beregn</button>
<button name="ButtonTriangleReset" type="reset">Nustil</button>
<br>
Decimaler: <select>
<option value="1" name="SeOp1Dec">1</option>
<option value="2" name="SeOp2Dec" selected>2</option>
<option value="3" name="SeOp3Dec">3</option>
<option value="4" name="SeOp4Dec">4</option>
<option value="5" name="SeOp5Dec">5</option>
<option value="6" name="SeOp6Dec">6</option>
<option value="7" name="SeOp7Dec">7</option>
<option value="8" name="SeOp8Dec">8</option>
<option value="9" name="SeOp9Dec">9</option>
<option value="10" name="SeOp10Dec">10</option>
<option value="11" name="SeOp11Dec">11</option>
<option value="12" name="SeOp12Dec">12</option>
<option value="13" name="SeOp13Dec">13</option>
<option value="14" name="SeOp14Dec">14</option>
<option value="15" name="SeOp15Dec">15</option>
</select>
</form>
<script language="javascript">
<!--Variabler-->
var vSideA=0
var vSideB=0
var vSideC=0
var vAngleA=0
var vAngleB=0
var vAngleC=0
var vHeightA=0
var vHeightB=0
var vHeightC=0
var vAcreage=0
var vCircumference=0
var vDec=0
<!--Events-->
document.fTriangleCalculate.ButtonTriangleCalculate.onclick=funCalculate_abB;
<!--Funktioner-->
If (document.fTriangleCalculate.SeOp5Dec.value=5)
{
vDec=5
}
function funCalculate_abB()
{
vSideA=document.fTriangleCalculate.inSideA.value*1
vSideB=document.fTriangleCalculate.inSideB.value*1
vAngleB=document.fTriangleCalculate.inAngleB.value*1
vAngleA=Math.round(Math.asin((Math.sin(vAngleB/(360/(2*Math.PI)))/vSideB)*vSideA)*(360/(2*Math.PI))*1*Math.pow(10,vDec))/Math.pow(10,vDec);
vAngleC=Math.round((180-vAngleB-vAngleA*1)*Math.pow(10,vDec))/Math.pow(10,vDec);
vSideC=Math.round((Math.sin(vAngleC/(360/(2*Math.PI)))/(Math.sin(vAngleB/(360/(2*Math.PI)))/vSideB)*1)*Math.pow(10,vDec))/Math.pow(10,vDec);
vHeightA=Math.round(Math.sin(vAngleC/(360/(2*Math.PI)))*vSideB*1*Math.pow(10,vDec))/Math.pow(10,vDec);
vHeightB=Math.round(Math.sin(vAngleA/(360/(2*Math.PI)))*vSideC*1*Math.pow(10,vDec))/Math.pow(10,vDec);
vHeightC=Math.round(Math.sin(vAngleB/(360/(2*Math.PI)))*vSideA*1*Math.pow(10,vDec))/Math.pow(10,vDec);
vAcreage=Math.round((vHeightA*vSideA/2*1)*Math.pow(10,vDec))/Math.pow(10,vDec);
vCircumference=Math.round((vSideA+vSideB+vSideC*1)*Math.pow(10,vDec))/Math.pow(10,vDec);
funScreenWrite()
}
function funScreenWrite()
{
document.fTriangleCalculate.inSideA.value=vSideA
document.fTriangleCalculate.inSideB.value=vSideB
document.fTriangleCalculate.inSideC.value=vSideC
document.fTriangleCalculate.inAngleA.value=vAngleA
document.fTriangleCalculate.inAngleB.value=vAngleB
document.fTriangleCalculate.inAngleC.value=vAngleC
document.fTriangleCalculate.inHeightA.value=vHeightA
document.fTriangleCalculate.inHeightB.value=vHeightB
document.fTriangleCalculate.inHeightC.value=vHeightC
document.fTriangleCalculate.inAcreage.value=vAcreage
document.fTriangleCalculate.inCircumference.value=vCircumference
}
</script>
</body>
</html>
