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Q3.html
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Q3.html
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<!--have used name "klear" coz "clear" is a predefined function in JS. You can use any name-->
<!DOCTYPE html>
<html>
<head>
<title>Calculator</title>
<style>
td{
border: 3px solid black;
}
.button{
width: 50px;
background-color: cyan;
}
#button{
width: 110px;
background-color: cyan;
}
table{
position: relative;
top: 250px;
left: 500px;
}
</style>
<script>
function display(num){
document.getElementById("result").value+=num;
}
function klear(){
document.getElementById("result").value= "";
}
function solve(){
let x= document.getElementById("result").value;
let y= eval(x);
klear();
document.getElementById("result").value+=y;
}
</script>
</head>
<body>
<table>
<tr>
<td colspan="3"><input type="text" name="result" id="result"></td>
<td><input type="button" value="C" class="button" onclick="klear()"></td>
</tr>
<tr>
<td><input type="button" value="9" class="button" onclick="display('9')"></td>
<td><input type="button" value="8" class="button" onclick="display('8')"></td>
<td><input type="button" value="7" class="button" onclick="display('7')"></td>
<td><input type="button" value="/" class="button" onclick="display('/')"></td>
</tr>
<tr>
<td><input type="button" value="6" class="button" onclick="display('6')"></td>
<td><input type="button" value="5" class="button" onclick="display('5')"></td>
<td><input type="button" value="4" class="button" onclick="display('4')"></td>
<td><input type="button" value="*" class="button" onclick="display('*')"></td>
</tr>
<tr>
<td><input type="button" value="3" class="button" onclick="display('3')"></td>
<td><input type="button" value="2" class="button" onclick="display('2')"></td>
<td><input type="button" value="1" class="button" onclick="display('1')"></td>
<td><input type="button" value="-" class="button" onclick="display('-')"></td>
</tr>
<tr>
<td colspan="2"><input type="button" value="0" id="button" onclick="display('0')"></td>
<td><input type="button" value="=" class="button" onclick="solve()"></td>
<td><input type="button" value="+" class="button" onclick="display('+')"></td>
</tr>
</table>
</body>
</html>