rendered paste body<!-- experiments with table & button-input vegaseat 2/13/02 --><!-- table, border, cellpadding, cellspacing, input, onClick --><!-- uses eval() to do the final calculation --><!-- note: eval() traps divide by zero error --> <html><head> <title>A Simple Four-Banger</title> </head><body> <form name="calculator"> <!-- form the display to match the keypad --><table border="4" cellpadding="1" bordercolor="#FFFFFF" bgcolor="#73B27B" cellspacing="2" width="222"><tr><td><input type="text" size="25" length="25" value="" name="ans" style="background:beige;color:black;"></td></tr></table> <!-- form the keypad with buttons in a table --><table border="4" cellpadding="2" bordercolor="#FFFFFF" cellspacing="2" width="150" bgcolor="#73B27B"><tr><td align="center"><input type="button" value=" 7 " name="seven" onClick="document.calculator.ans.value+='7'"></td><td align="center"><input type="button" value=" 8 " name="eight" onClick="document.calculator.ans.value+='8'"></td><td align="center"><input type="button" value=" 9 " name="nine" onClick="document.calculator.ans.value+='9'"></td><td align="center"><input type="button" value=" / " name="divide" onClick="document.calculator.ans.value+='/'"></td></tr><tr><td align="center"><input type="button" value=" 4 " name="four" onClick="document.calculator.ans.value+='4'"></td><td align="center"><input type="button" value=" 5 " name="five" onClick="document.calculator.ans.value+='5'"></td><td align="center"><input type="button" value=" 6 " name="six" onClick="document.calculator.ans.value+='6'"></td><td align="center"><input type="button" value=" * " name="multiply" onClick="document.calculator.ans.value+='*'"></td></tr><tr><td align="center"><input type="button" value=" 1 " name="one" onClick="document.calculator.ans.value+='1'"></td><td align="center"><input type="button" value=" 2 " name="two" onClick="document.calculator.ans.value+='2'"></td><td align="center"><input type="button" value=" 3 " name="three" onClick="document.calculator.ans.value+='3'"></td><td align="center"><input type="button" value=" - " name="subtract" onClick="document.calculator.ans.value+='-'"></td></tr><tr><td align="center"><input type="button" value=" C " name="clear" onClick="document.calculator.ans.value=''"></td><td align="center"><input type="button" value=" 0 " name="zero" onClick="document.calculator.ans.value+='0'"></td><td align="center"><input type="button" value=" = " name="equal" onClick="document.calculator.ans.value=eval(document.calculator.ans.value)"></td><td align="center"><input type="button" value=" + " name="add" onClick="document.calculator.ans.value+='+'"></td></tr></table> </form> </body></html>