Texas Instruments TI-83 Plus Manual Book page 12

5. Use the † and } keys to highlight the timeline you want to
display at the top of the screen, and then press Í.
If you change your mind, press { to undo your last selection.
Note
6. Use the † and } keys to highlight other timelines you want to
display and press Í.
7. Select
The timelines are displayed in the order you selected them.
TI-83 Plus TImeSpan™ Viewer Application
.
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