20060301
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 To change a line in a clustered line graph to a column graph
  (1) Draw the clustered line graph. 
  (2) With the stylus, tap any data point on the line you wish to change to a column graph.
  (3) On the [Series] menu, tap [Column].
13-8-16
Graphing
• You could also tap the down arrow button next to the third tool button from the left, 
and then tap 
'
.
• You can change more than one line to a column graph, if you want.
• You can change a column graph back to a line graph by selecting one of its columns 
and tapping [Line] on the [Series] menu.