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<!DOCTYPE html> | ||
<html lang="en"> | ||
<head> | ||
<meta charset="UTF-8"> | ||
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
<link rel="stylesheet" href="styles.css"> | ||
<title>Modern Calculator</title> | ||
</head> | ||
<body> | ||
<div class="container"> | ||
<form action=" " name="calc" class="calculator"> | ||
<input type="text" class="value" name="txt"> | ||
<span class="num clear" onclick="clearDisplay()"><i>C</i></span> | ||
<span class="num" onclick="appendToDisplay('/')"><i>/</i></span> | ||
<span class="num" onclick="appendToDisplay('*')"><i>*</i></span> | ||
<span class="num" onclick="appendToDisplay('7')"><i>7</i></span> | ||
<span class="num" onclick="appendToDisplay('8')"><i>8</i></span> | ||
<span class="num" onclick="appendToDisplay('9')"><i>9</i></span> | ||
<span class="num" onclick="appendToDisplay('-')"><i>-</i></span> | ||
<span class="num" onclick="appendToDisplay('4')"><i>4</i></span> | ||
<span class="num" onclick="appendToDisplay('5')"><i>5</i></span> | ||
<span class="num" onclick="appendToDisplay('6')"><i>6</i></span> | ||
<span class="num plus" onclick="appendToDisplay('+')"><i>+</i></span> | ||
<span class="num" onclick="appendToDisplay('1')"><i>1</i></span> | ||
<span class="num" onclick="appendToDisplay('2')"><i>2</i></span> | ||
<span class="num" onclick="appendToDisplay('3')"><i>3</i></span> | ||
<span class="num" onclick="appendToDisplay('0')"><i>0</i></span> | ||
<span class="num" onclick="appendToDisplay('00')"><i>00</i></span> | ||
<span class="num" onclick="appendToDisplay('.')"><i>.</i></span> | ||
<span class="num equal" onclick="calculateResult()"><i>=</i></span> | ||
</form> | ||
</div> | ||
|
||
<script> | ||
function appendToDisplay(value) { | ||
document.calc.txt.value += value; | ||
} | ||
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||
function clearDisplay() { | ||
document.calc.txt.value = ''; | ||
} | ||
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||
function calculateResult() { | ||
try { | ||
document.calc.txt.value = eval(document.calc.txt.value); | ||
} catch (error) { | ||
document.calc.txt.value = 'Error'; | ||
} | ||
} | ||
</script> | ||
</body> | ||
</html> | ||
|
||
|
||
<!-- <!DOCTYPE html> | ||
<html lang="en"> | ||
<head> | ||
<meta charset="UTF-8"> | ||
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
<link rel="stylesheet" href="styles.css"> | ||
<title>Modern Calculator</title> | ||
</head> | ||
<body> | ||
<div class="container"> | ||
<form action=" " name="calc" class="calculator"> | ||
<input type="text" class="value" randomly name="txt"> | ||
<span class="num clear" oneclick="calc.txt.value+=' '"><i>C</i></span> | ||
<span class="num" oneclick="calc.txt.value+='/'"><i>/</i></span> | ||
<span class="num" oneclick="calc.txt.value+='*'"><i>*</i></span> | ||
<span class="num" oneclick="calc.txt.value+='7'"><i>7</i></span> | ||
<span class="num" oneclick="calc.txt.value+='8'"><i>8</i></span> | ||
<span class="num" oneclick="calc.txt.value+='9'"><i>9</i></span> | ||
<span class="num" oneclick="calc.txt.value+='-'"><i>-</i></span> | ||
<span class="num" oneclick="calc.txt.value+='4'"><i>4</i></span> | ||
<span class="num" oneclick="calc.txt.value+='5'"><i>5</i></span> | ||
<span class="num" oneclick="calc.txt.value+='6'"><i>6</i></span> | ||
<span class="num plus" oneclick="calc.txt.value+='+'"><i>+</i></span> | ||
<span class="num" oneclick="calc.txt.value+='1'"><i>1</i></span> | ||
<span class="num" oneclick="calc.txt.value+='2'"><i>2</i></span> | ||
<span class="num" oneclick="calc.txt.value+='3'"><i>3</i></span> | ||
<span class="num" oneclick="calc.txt.value+='0'"><i>0</i></span> | ||
<span class="num" oneclick="calc.txt.value+='00'"><i>00</i></span> | ||
<span class="num" oneclick="calc.txt.value+='.'"><i>.</i></span> | ||
<span class="num equal" oneclick="document.calc.txt.value=eval(calc.txt.value)"><i>=</i></span> | ||
</form> | ||
</div> | ||
</body> | ||
</html> --> |