Help for this page

Select Code to Download


  1. or download this
    $s[1]= $a + $b*$s[0]
    $s[2]= $a + $b*$s[1]
    
  2. or download this
    $b= ($s[2]-$s[1]) / ($s[1]-$s[0]);
    $a= $s[1] - $b*$s[0];