Taschenrechner

<html lang = "de"> <head> </head>
<td><button onclick = "hinzu(0)">0</td>
<td><button onclick = "hinzu('(')">(</td>
<td><button onclick = "hinzu(')')">)</td>
<td><button  onclick = "hinzu('/')">/</td>
<td><button onclick = rechne()>=</button></td>
<td><button onclick = "hinzu('.')">.</td>
<td><button onclick = lösch()><</td>
<td><button onclick = loesche()>C</td>
7 8 9 +
4 5 6 -
1 2 3 *
</html>
0
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