DISCRIPTION ABOUT USING TAGS

1.Javascript form is useful for designing the interactive web page.
2.+,-,*,/,%,++,--, all stands for mathematical operators.
3.div tag is used to make division of sections in the XHTML document. 4.This program is not properly working on Internet Explorer.

FOR EXAMPLE-: 
<html>
	<head>
		<style>
			#clear{
				width:130px;
				}
			.formstyle{
				width:300px;
				height:400px;
				margin:auto;

				}
			input{
				width:40px;
				}
			#answerstyle{
				width:130px;
				}
		</style>
	</head>
	<body>
		<div class="formstyle">
			<form name="forms">
				<input type="text" name="answer" id="answerstyle"> <br/>
				<input type="button" value="1" onclick="forms.answer.value += '1'">
				<input type="button" value="2" onclick="forms.answer.value += '2'">
				<input type="button" value="3" onclick="forms.answer.value += '3'">
				<br/>
				<input type="button" value="4" onclick="forms.answer.value += '4'">
				<input type="button" value="5" onclick="forms.answer.value += '5'">
				<input type="button" value="6" onclick="forms.answer.value += '6'">
				<br/>
				<input type="button" value="7" onclick="forms.answer.value += '7'">
				<input type="button" value="8" onclick="forms.answer.value += '8'">
				<input type="button" value="9" onclick="forms.answer.value += '9'">
				<br/>
				<input type="button" value="+" onclick="forms.answer.value += '+'">
				<input type="button" value="-" onclick="forms.answer.value += '-'">
				<input type="button" value="*" onclick="forms.answer.value += '*'">
				<br/>
				<input type="button" value="/" onclick="forms.answer.value += '/'">
				<input type="button" value="0" onclick="forms.answer.value += '0'">
				<input type="button" value="=" onclick="forms.answer.value = eval(forms.answer.value)">
				<br/>
				<input type="button" value="clear all" onclick="forms.answer.value=''" id="clear">

			</form>
	</div>

	</body>

</html>