كود آلة حاسبة

<FORM NAME="Calc"><br /><TABLE BORDER=4><br /><TR><br /><TD><br /><INPUT TYPE="text" NAME="Input" Size="16"><br /><br><br /></TD><br /></TR><br /><TR><br /><TD><br /><INPUT TYPE="button" NAME="one" VALUE=" 1 " OnClick="Calc.Input.value += '1'"><br /><INPUT TYPE="button" NAME="two" VALUE=" 2 " OnCLick="Calc.Input.value += '2'"><br /><INPUT TYPE="button" NAME="three" VALUE=" 3 " OnClick="Calc.Input.value += '3'"><br /><INPUT TYPE="button" NAME="plus" VALUE=" + " OnClick="Calc.Input.value += ' + '"><br /><br><br /><INPUT TYPE="button" NAME="four" VALUE=" 4 " OnClick="Calc.Input.value += '4'"><br /><INPUT TYPE="button" NAME="five" VALUE=" 5 " OnCLick="Calc.Input.value += '5'"><br /><INPUT TYPE="button" NAME="six" VALUE=" 6 " OnClick="Calc.Input.value += '6'"><br /><INPUT TYPE="button" NAME="minus" VALUE=" - " OnClick="Calc.Input.value += ' - '"><br /><br><br /><INPUT TYPE="button" NAME="seven" VALUE=" 7 " OnClick="Calc.Input.value += '7'"><br /><INPUT TYPE="button" NAME="eight" VALUE=" 8 " OnCLick="Calc.Input.value += '8'"><br /><INPUT TYPE="button" NAME="nine" VALUE=" 9 " OnClick="Calc.Input.value += '9'"><br /><INPUT TYPE="button" NAME="times" VALUE=" x " OnClick="Calc.Input.value += ' * '"><br /><br><br /><INPUT TYPE="button" NAME="clear" VALUE=" c " OnClick="Calc.Input.value = ''"><br /><INPUT TYPE="button" NAME="zero" VALUE=" 0 " OnClick="Calc.Input.value += '0'"><br /><INPUT TYPE="button" NAME="DoIt" VALUE=" = " OnClick="Calc.Input.value = eval(Calc.Input.value)"><br /><INPUT TYPE="button" NAME="div" VALUE=" / " OnClick="Calc.Input.value += ' / '"><br /><br><br /></TD><br /></TR><br /></TABLE><br /></FORM><br /><br /><p align="center"><font face="arial" size="-2">This free script provided by</font><br><br /><font face="arial, helvetica" size="-2"><a href="http://wsabstract.com">Website<br />Abstraction</a></font></p><br />