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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Calculator</title>
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+</head>
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+<body>
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+ <script>
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+ console.log('the calculating program consumption electricity by lamp');
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+ alert('You run the deno-version of calculating program consumption electricity by lamp. Press "OK" for continue');
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+ var P = prompt('Enter power of 1 lamp--W');//Nominal P-parameter need for calculate our general consumption electricity
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+ console.log(P);
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+ var Number = prompt('Enter number of lamps--part/parts');// Enter number of lamps which calculate
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+ console.log(Number);
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+ var Hours = prompt('Enter the working lamp`s hours--hour/hours');//How much time lap/lamps working? Need it for calculate our general consumption electricity
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+ console.log(Hours);
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+ var Result = (P * Number * Hours)/1000;//we transform W to kW
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+ console.log(Result);
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+ alert('Result calculates in kilo-Watts');
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+ alert('If you want to know how much does it costs press "Ok"');
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+ var Tariff = prompt('Enter the price for 1kW', [0.9]);//our tarification for Price calculating
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+ console.log(Tariff);
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+ var Price = Tariff*Result;// to know how much costs our consumption electricity
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+ console.log(Price);
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+ alert ('Result calculates in hrivnias');
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+ </script>
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+</body>
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+</html>
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