function graph
{
    rows=40
    cols=1
    yIndexA=0    #go through y array
    xIndexA=0    #go through x array
    #gMinX=$(echo "scale=5 ; $minX - $1" | bc)
   # gMaxY=$(echo "scale=5 ; $maxY + $2" | bc)

############################################################################
    #loop through y values
    while [ "$rows" -gt 0 ]
    do
      #gMaxY=$(echo "scale=5 ; ($gMaxY - $2)" | bc)
     # blankSpacesDown=$(echo "scale=5 ; (${yValues[yIndex]} - $gMaxY - 1)" | bc)
      #printSpacesDown $blankSpacesDown
      #echo -n ${yValues[yIndex]}
      #echo -n $gMaxY

      #(( yIndex++ ))
      echo

      # reset things for innner loop
      cols=1
      xIndexA=0

     ##########################################################################
     #loop through x values
     while [ "$cols" -lt 81 ]
     do
       #gMinX=$(echo "scale=5 ; ($gMinX + $1)" | bc)
       #blankSpaces=$(echo "scale=5 ; (${xValues[xIndex]} - $gMinX - $1)" | bc)
       #printBlankSpaces $blankSpaces
       #printBlankSpaces 4
        #echo -n ${convertedYValues[yIndex]} " "
        #echo -n ${convertedXValues[xIndex]} " "
        #varX=${convertedXValues[xIndex]}
        #varY=${convertedYValues[yIndex]}
        #echo -n $rows " "
        #echo -n $cols " "

       if [ "$cols" == "${convertedXValues[xIndexA]}" ]
       then
         if [ "$rows" == "${convertedYValues[yIndexA]}" ]
         then
           echo -n "X"
         fi
         else
           echo -n " "
       fi
       #echo -n ${xValues[xIndex]} " "
       #echo -n $gMinX

        #(( xIndex++ ))
       #(( yIndex++ ))
       (( cols++ ))
    done  # loop through x
    #(( yIndex++ ))
    (( rows-- ))
  done # loop through y
  echo

}  # end graph function