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PlusMinus.html
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<!DOCTYPE html>
<html>
<head>
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</style>
</head>
<body>
<h2>Middi On Math - Plus & Minus</h2>
- F1 um den ersten Wert zu editieren, F2 für den zweiten.<br>
- Pfeil rechts/links um Einer-, Zehner-, Hunderterstelle auszuwählen.<br>
- Pfeil auf/ab um gewählte Stelle hoch/runter zu zählen.<br>
- +/- wählt die Rechenart aus. Leertaste löscht die Rechenart und das Ergebnis.<br>
- Rücktaste löscht den aktuellen Wert.<br><br>
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<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">1</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
</tr>
<tr>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
</tr>
<tr>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n11000">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n1100">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n110">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n11">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="sign">?</span></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n21000">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n2100">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n210">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n21">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="equal"> = </span></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n310000">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n31000">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n3100">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n310">0</span></td>
<td style="width: 1ch; float:left; height: 1ch;"><span id="n31">0</span></td>
</tr>
<tr>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
</tr>
<tr>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
</tr>
<tr>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
</tr>
<tr>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;">|</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
</tr>
<tr>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
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<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
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<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
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<td style="width: 1ch; float:left; height: 1ch;">0</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;">-</td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
<td style="width: 1ch; float:left; height: 1ch;"></td>
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</tr>
</tbody>
</table>
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<script>
var termTable = document.getElementById("TermTable");
/* 0 = "?"" / 1 = "+"" / 2 = "-" */
var selectedCalc = 0;
var selectedNumber = 0;
/*ones, tens, hundreds*/
let selectedSize = [1,1];
/*ones, tens, hundreds, thousands*/
let n1 = [0,0,0];
let n10 = [0,0,0];
let n100 = [0,0,0];
let n1000 = [0,0,0];
var n10000 = 0;
/*if a number is on limit*/
var limit = 0;
// Result
let result = [0,0,0];
// Bold the start state
for (var i = 4; i < 23; i++) {
termTable.rows[0].cells[i].style.fontWeight = "bold"
}
for (var i = 1; i < 5; i++) {
termTable.rows[i].cells[22].style.fontWeight = "bold"
termTable.rows[i + 5].cells[22].style.fontWeight = "bold"
}
for (var i = 14; i < 23; i++) {
termTable.rows[10].cells[i].style.fontWeight = "bold"
}
for (var i = 30; i < 39; i++) {
termTable.rows[0].cells[i].style.fontWeight = "bold"
termTable.rows[10].cells[i].style.fontWeight = "bold"
}
for (var i = 1; i < 5; i++) {
termTable.rows[i].cells[38].style.fontWeight = "bold"
termTable.rows[i + 5].cells[38].style.fontWeight = "bold"
}
// Listen for keydown events
document.addEventListener("keydown", function(event) {
// Check if arrow-up key was pressed
if (event.code === "ArrowUp" || event.code === "Numpad8") {
// Increase number by size
if (selectedSize[selectedNumber] === 1) {
if (!(result[selectedNumber] + 1 > 9999)) {
n1[selectedNumber]++;
}
}
else if (selectedSize[selectedNumber] === 10) {
if (!(result[selectedNumber] + 10 > 9999)) {
n10[selectedNumber]++;
}
}
else if (selectedSize[selectedNumber] === 100) {
if (!(result[selectedNumber] + 100 > 9999)) {
n100[selectedNumber]++;
}
}
if (n1[selectedNumber] > 9) {
n1[selectedNumber] = 0;
n10[selectedNumber]++;
}
if (n10[selectedNumber] > 9) {
n10[selectedNumber] = 0;
n100[selectedNumber]++;
}
if (n100[selectedNumber] > 9) {
n100[selectedNumber] = 0;
n1000[selectedNumber]++;
}
if (n1000[selectedNumber] > 9) {
// Not greater 9999
n1000[selectedNumber] = 9;
n100[selectedNumber] = 9;
n10[selectedNumber] = 9;
n1[selectedNumber] = 9;
limit = 1;
}
else {
limit = 0;
}
}
// Check if arrow-down key was pressed
else if (event.code === "ArrowDown" || event.code === "Numpad2") {
// Decrease number by size
if (selectedSize[selectedNumber] === 1) {
n1[selectedNumber]--;
}
else if (selectedSize[selectedNumber] === 10) {
n10[selectedNumber]--;
}
else if (selectedSize[selectedNumber] === 100) {
n100[selectedNumber]--;
}
if (n1[selectedNumber] < 0) {
n1[selectedNumber] = 9;
n10[selectedNumber]--;
}
if (n10[selectedNumber] < 0) {
n10[selectedNumber] = 9;
n100[selectedNumber]--;
}
if (n100[selectedNumber] < 0) {
n100[selectedNumber] = 9;
n1000[selectedNumber]--;
}
if (n1000[selectedNumber] < 0) {
// No negatives allowed....
n1000[selectedNumber] = 0;
n100[selectedNumber] = 0;
n10[selectedNumber] = 0;
n1[selectedNumber] = 0;
limit = 1;
}
else {
limit = 0;
}
}
// Check if arrow-right key was pressed
else if (event.code === "ArrowRight" || event.code === "Numpad6") {
// MDivide by 10
if (selectedSize[selectedNumber] > 1) {
selectedSize[selectedNumber] /= 10;
}
}
// Check if arrow-left key was pressed
else if (event.code === "ArrowLeft" || event.code === "Numpad4") {
// Multiply by 10
if (selectedSize[selectedNumber] < 100) {
selectedSize[selectedNumber] *= 10;
}
}
// Check if enter key was pressed
else if (event.code === "Enter" || event.code === "NumpadEnter") {
}
// Check if Backspace key was pressed
else if (event.code === "Backspace") {
// Reset number to 0 and size to 1
n1[selectedNumber] = 0;
n10[selectedNumber] = 0;
n100[selectedNumber] = 0;
n1000[selectedNumber] = 0;
selectedSize[selectedNumber] = 1;
}
// Check if "+" key was pressed (!! GERMAN !!)
else if (event.code === "BracketRight" || event.code === "NumpadAdd") {
// Add
selectedCalc = 1;
document.getElementById("sign").innerHTML = ' + ';
}
// Check if "-" key was pressed (!! GERMAN !!)
else if (event.code === "Slash" || event.code === "NumpadSubtract") {
// Subtract
selectedCalc = 2;
document.getElementById("sign").innerHTML = ' - ';
}
else if (event.code === "Space") {
// Disable Calculation
selectedCalc = 0;
document.getElementById("sign").innerHTML = ' ? ';
}
// Check if "1" key was pressed
else if (event.code === "F1") {
selectedNumber = 0;
}
// Check if "2" key was pressed
else if (event.code === "F2") {
selectedNumber = 1;
}
result[0] = n1[0] + n10[0] * 10 + n100[0] * 100 + n1000[0] * 1000;
result[1] = n1[1] + n10[1] * 10 + n100[1] * 100 + n1000[1] * 1000;
n1[2] = 0; n10[2] = 0; n100[2] = 0; n1000[2] = 0; n10000 = 0;
if (selectedCalc === 1) {
result[2] = result[0] + result[1];
}
else if (selectedCalc === 2) {
result[2] = result[0] - result[1];
}
else {
// still the "?" is active...
result[2] = 0;
}
var strResult = result[2].toString();
var hlp = 0;
for (var i = strResult.length - 1; i >= 0; i--) {
hlp++;
switch (hlp) {
case 1:
n1[2] = parseInt(strResult[i]);
break;
case 2:
n10[2] = parseInt(strResult[i]);
if (strResult[i] === "-") {
n10000 = -1;
n10[2] = 0;
}
break;
case 3:
n100[2] = parseInt(strResult[i]);
if (strResult[i] === "-") {
n10000 = -1;
n100[2] = 0;
}
break;
case 4:
n1000[2] = parseInt(strResult[i]);
if (strResult[i] === "-") {
n10000 = -1;
n1000[2] = 0;
}
break;
case 5:
n10000 = parseInt(strResult[i]);
if (strResult[i] === "-") {
n10000 = -1;
}
break;
default:
break;
}
}
// Update the numbers on the page
document.getElementById("n11").innerHTML = n1[0];
document.getElementById("n110").innerHTML = n10[0];
document.getElementById("n1100").innerHTML = n100[0];
document.getElementById("n11000").innerHTML = n1000[0];
document.getElementById("n21").innerHTML = n1[1];
document.getElementById("n210").innerHTML = n10[1];
document.getElementById("n2100").innerHTML = n100[1];
document.getElementById("n21000").innerHTML = n1000[1];
document.getElementById("n31").innerHTML = n1[2];
document.getElementById("n310").innerHTML = n10[2];
document.getElementById("n3100").innerHTML = n100[2];
document.getElementById("n31000").innerHTML = n1000[2];
if (n10000 < 0) {
document.getElementById("n310000").innerHTML = "-";
}
else {
document.getElementById("n310000").innerHTML = n10000;
}
//document.getElementById("result").innerHTML = event.code; //result[2];
// Make the colors depending on leading zeros and selected number
if (selectedNumber === 0) {
if (n1000[0] === 0) {
document.getElementById("n11000").style.color = "#555";
if (n100[0] === 0) {
document.getElementById("n1100").style.color = "#555";
if (n10[0] === 0) {
document.getElementById("n110").style.color = "#555";
}
else {
document.getElementById("n110").style.color = "#BB7";
}
}
else {
document.getElementById("n1100").style.color = "#BB7";
document.getElementById("n110").style.color = "#BB7";
}
}
else {
document.getElementById("n11000").style.color = "#BB7";
document.getElementById("n1100").style.color = "#BB7";
document.getElementById("n110").style.color = "#BB7";
}
document.getElementById("n11").style.color = "#BB7";
document.getElementById("n21").style.color = "#888";
if (n10[1] > 0 || n100[1] > 0 || n1000[1] > 0) {
document.getElementById("n210").style.color = "#888";
}
else {
document.getElementById("n210").style.color = "#555";
}
if (n100[1] > 0 || n1000[1] > 0) {
document.getElementById("n2100").style.color = "#888";
}
else {
document.getElementById("n2100").style.color = "#555";
}
if (n1000[1] > 0) {
document.getElementById("n21000").style.color = "#888";
}
else {
document.getElementById("n21000").style.color = "#555";
}
}
else if (selectedNumber === 1) {
if (n1000[1] === 0) {
document.getElementById("n21000").style.color = "#555";
if (n100[1] === 0) {
document.getElementById("n2100").style.color = "#555";
if (n10[1] === 0) {
document.getElementById("n210").style.color = "#555";