JavaScript calculator script

Although nearly everyone already has a calculator installed on their computer, it may be handy in some situations to provide the ability for website visitors to calculate on there own.

Here is an example:

Here is the free JavaScript code for the calculator above:

<FORM NAME="Calc"><TABLE BORDER=0><TR><TD><INPUT TYPE="text"   NAME="Input" Size="16"><br></TD></TR><TR><TD><INPUT TYPE="button" NAME="one"   VALUE="  1  " OnClick="Calc.Input.value += '1'"><INPUT TYPE="button" NAME="two"   VALUE="  2  " OnCLick="Calc.Input.value += '2'"><INPUT TYPE="button" NAME="three" VALUE="  3  " OnClick="Calc.Input.value += '3'"><INPUT TYPE="button" NAME="plus"  VALUE="  +  " OnClick="Calc.Input.value += ' + '"><br><INPUT TYPE="button" NAME="four"  VALUE="  4  " OnClick="Calc.Input.value += '4'"><INPUT TYPE="button" NAME="five"  VALUE="  5  " OnCLick="Calc.Input.value += '5'"><INPUT TYPE="button" NAME="six"   VALUE="  6  " OnClick="Calc.Input.value += '6'"><INPUT TYPE="button" NAME="minus" VALUE="  -  " OnClick="Calc.Input.value += ' - '"><br><INPUT TYPE="button" NAME="seven" VALUE="  7  " OnClick="Calc.Input.value += '7'"><INPUT TYPE="button" NAME="eight" VALUE="  8  " OnCLick="Calc.Input.value += '8'"><INPUT TYPE="button" NAME="nine"  VALUE="  9  " OnClick="Calc.Input.value += '9'"><INPUT TYPE="button" NAME="times" VALUE="  x  " OnClick="Calc.Input.value += ' * '"><br><INPUT TYPE="button" NAME="clear" VALUE="  c  " OnClick="Calc.Input.value = ''"><INPUT TYPE="button" NAME="zero"  VALUE="  0  " OnClick="Calc.Input.value += '0'"><INPUT TYPE="button" NAME="DoIt"  VALUE="  =  " OnClick="Calc.Input.value = eval(Calc.Input.value)"><INPUT TYPE="button" NAME="div"   VALUE="  /  " OnClick="Calc.Input.value += ' / '"><br></TD></TR></TABLE></FORM>