Select statistics from main menu
2. Enter the data into list1
3. Tap the graph button (top LHS) and select Histogram from the drop-down menu for Type. Then tap set
4. Tap the graph button (top LHS) to draw the histogram. Set an appropriate interval.
5. Tap Analysis, then Trace and use the controller arrows (left/right) to jump between values.
6. To get remove the graph, tap the bottom window (note the blue border around it), then click the cross (top right hand corner)
7. To delete the data you have entered, click Edit, then Clear all.