Created
March 17, 2015 08:05
Claculator from html and javascript
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<!DOCTYPE HTML> | |
<html lang="en"> | |
<head> | |
<title>Calculator</title> | |
<style type="text/css"> | |
button | |
{ | |
font-family: "Times New Roman"; | |
font-size: larger; | |
width:50px; | |
height:40px; | |
} | |
input | |
{ | |
width:232px; | |
height:35px; | |
} | |
form | |
{ | |
margin: 0 auto; | |
width:250px; | |
} | |
</style> | |
<script type="text/javascript"> | |
function editDisplay(e) | |
{ | |
document.getElementById("Input").value += e; | |
} | |
function showResult(total) | |
{ | |
if(total != undefined && total != Infinity) | |
{ | |
document.getElementById("Input").value = total ; | |
} | |
else | |
{ | |
alert("Provide Proper Expression..."); | |
} | |
} | |
</script> | |
</head> | |
<body> | |
<form id="form1" style="text-align:center;" > | |
<table border="5"> | |
<tr> | |
<td> | |
<input type="text" style="font-size: larger; text-align: right;" id="Input" size="16" /> | |
<br /> | |
</td> | |
</tr> | |
<tr> | |
<td> | |
<button type="button" onclick="editDisplay('1')">1</button> | |
<button type="button" onclick="editDisplay('2')"> | |
2 | |
</button> | |
<button type="button" onclick="editDisplay('3')"> | |
3 | |
</button> | |
<button type="button" onclick="editDisplay('+')"> | |
+ | |
</button> | |
<br /> | |
<button type="button" onclick="editDisplay('4')"> | |
4 | |
</button> | |
<button type="button" onclick="editDisplay('5')"> | |
5 | |
</button> | |
<button type="button" onclick="editDisplay('6')"> | |
6 | |
</button> | |
<button type="button" onclick="editDisplay('-')"> | |
- | |
</button> | |
<br /> | |
<button type="button" onclick="editDisplay('7')"> | |
7 | |
</button> | |
<button type="button" onclick="editDisplay('8')"> | |
8 | |
</button> | |
<button type="button" onclick="editDisplay('9')"> | |
9 | |
</button> | |
<button type="button" onclick="editDisplay('*')"> | |
* | |
</button> | |
<br /> | |
<button type="button" onclick="document.getElementById('Input').value = ''"> | |
C | |
</button> | |
<button type="button" onclick="editDisplay('0')"> | |
0 | |
</button> | |
<button type="button" onclick="showResult(eval(document.getElementById('Input').value));return false"> | |
= | |
</button> | |
<button type="button" onclick="editDisplay('/')"> | |
/ | |
</button> | |
<br /> | |
<button type="button" onclick="showResult(Math.sqrt(eval(document.getElementById('Input').value)));return false">√ | |
</button> | |
</td> | |
</tr> | |
</table> | |
</form> | |
</body> | |
</html> |
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