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ilch Text Manager
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<script language="JavaScript">
<!--
function Ergebnis()
{
var x = 0;
x = eval(window.document.Rechner.Display.value);
window.document.Rechner.Display.value = x;
}
function Hinzufuegen(Zeichen)
{
window.document.Rechner.Display.value =
window.document.Rechner.Display.value + Zeichen;
}
function Sonderfunktion(Funktion)
{
if(Funktion == "sqrt")
{
var x = 0;
x = eval(window.document.Rechner.Display.value);
window.document.Rechner.Display.value = Math.sqrt(x);
}
if(Funktion == "pow")
{
var x = 0;
x = eval(window.document.Rechner.Display.value);
window.document.Rechner.Display.value = x * x;
}
if(Funktion == "log")
{
var x = 0;
x = eval(window.document.Rechner.Display.value);
window.document.Rechner.Display.value = Math.log(x);
}
}
file://-->
</script>
<center>
<h1>Rechner</h1>
<form name="Rechner">
<div align="center"><table border="10" cellpadding="10" bgcolor="#C0C0C0">
<tr>
<td bgcolor="#8C8C8C"><input type="text" size="30"
maxlength="30" name="Display"></td>
</tr>
<tr>
<td><table border="0">
<tr>
<td width="50"><input type="button"
value=" 7 " onclick="Hinzufuegen('7')"></td>
<td width="50"><input type="button"
value=" 8 " onclick="Hinzufuegen('8')"></td>
<td width="70"><input type="button"
value=" 9 " onclick="Hinzufuegen('9')"></td>
<td width="50"><input type="button"
value=" + " onclick="Hinzufuegen('+')"></td>
</tr>
<tr>
<td width="50"><input type="button"
value=" 4 " onclick="Hinzufuegen('4')"></td>
<td width="50"><input type="button"
value=" 5 " onclick="Hinzufuegen('5')"></td>
<td width="70"><input type="button"
value=" 6 " onclick="Hinzufuegen('6')"></td>
<td width="50"><input type="button"
value=" - " onclick="Hinzufuegen('-')"></td>
</tr>
<tr>
<td width="50"><input type="button"
value=" 1 " onclick="Hinzufuegen('1')"></td>
<td width="50"><input type="button"
value=" 2 " onclick="Hinzufuegen('2')"></td>
<td width="70"><input type="button"
value=" 3 " onclick="Hinzufuegen('3')"></td>
<td width="50"><input type="button"
value=" * " onclick="Hinzufuegen('*')"></td>
</tr>
<tr>
<td width="50"><input type="button"
value=" = " onclick="Ergebnis()"></td>
<td width="50"><input type="button"
value=" 0 " onclick="Hinzufuegen('0')"></td>
<td width="70"><input type="button"
value=" . " onclick="Hinzufuegen('.')"></td>
<td width="50"><input type="button"
value=" / " onclick="Hinzufuegen('/')"></td>
</tr>
<tr>
<td width="50"><input type="button"
value=" sqr "
onclick="Sonderfunktion('sqrt')"></td>
<td width="50"><input type="button"
value=" ² "
onclick="Sonderfunktion('pow')"></td>
<td width="70"><input type="button"
value=" log "
onclick="Sonderfunktion('log')"></td>
<td width="50"><input type="reset"
value=" C "></td>
</tr>
</table>
</td>
</tr>
</table>
</center></div>
</form>
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