forked from wtf-eg/simplekolecalc
38 lines
1.7 KiB
HTML
38 lines
1.7 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<style>
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input[type='number']{text-align:right;}
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</style>
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</head>
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<body>
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<p>Bei Eingaben werden Komma und Punkt als Dezimaltrennzeichen betrachtet.</p>
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<table>
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<tr><td>Berechne:</td><td><input type="radio" name="b" value="k" id="bk" class="bb" checked="checked" /><label for="bk">KoLe</label><input type="radio" name="b" value="e" id="be" class="bb" /><label for="be">Einnahmen</label></td></tr>
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<tr><td>Einnahme</td><td><input type="number" step="0.01" id="e" value="1"/> €</td></tr>
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<tr><td>Umsatzsteuer</td><td><input type="number" step="0.01" id="u" value="19"/> %</td></tr>
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<tr><td>Entropieumlage</td><td><input type="number" step="0.01" id="z" value="23"/> %</td></tr>
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<tr><td>KoLe</td><td><input type="number" step="0.01" id="k" value=""/> €</td></tr>
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<tr><td> </td><td><input value="Berechnen" id="b" type="button"/></td></tr>
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</table>
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<script>
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var e=document.getElementById('e');
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var u=document.getElementById('u');
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var z=document.getElementById('z');
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var k=document.getElementById('k');
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var bk=document.getElementById('bk');
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var be=document.getElementById('be');
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var b = document.getElementById("b");
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b.addEventListener("click", function(){
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if(bk.checked){
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k.value = Math.round( parseFloat(e.value.replace(/,/g, '.')) / ( 1 + parseFloat(u.value.replace(/,/g, '.')) / 100 ) * ( 1 - parseFloat(z.value.replace(/,/g, '.')) / 100 ) * 100 ) / 100;
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}else// if(be.checked)
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{
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e.value = Math.round( parseFloat(k.value.replace(/,/g, '.')) * ( 1 + parseFloat(u.value.replace(/,/g, '.')) / 100 ) / ( 1 - parseFloat(z.value.replace(/,/g, '.')) / 100 ) * 100 ) / 100;
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}
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});
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</script>
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</body>
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</html>
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