="plus"  value="  +  " onClick="form.input.value += ' + '" style="COLOR: #FFFFFF; BACKGROUND-COLOR: #000000; HEIGHT: 25 px; WIDTH: 40px">
      </td>
      <td width="50" height="2">
        <input type="button" name="minus" value="  -  " onClick="form.input.value += ' - '" style="COLOR: #FFFFFF; BACKGROUND-COLOR: #000000; HEIGHT: 25 px; WIDTH: 40px">
      </td>
      <td width="50" height="2">
        <input type="button" name="round" value="Rnd" onClick="Round()" style="COLOR: #FFFFFF; BACKGROUND-COLOR: 