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HOW TO MAKE A TIMEPLOT WITH TI83 CALCULATOR

Steps Key Sequence Screens
1. Enter time data into list, L1    
2. Enter other data into list, L2    
3. Set up Stats Plotter 2nd then Y=
4. Select Plot1 1
5. Turn Plot1 On ENTER
6. Select time plot once then once then ENTER
7. Select list L1 for XList once
  If you see an A in the blinking cursor then press ALPHA
  press 2nd then 1
8. Select list L2 for YList once
  If you see an A in the blinking cursor then press ALPHA
  press 2nd then 2
7. Graph ZOOM
  9 (for ZoomStat)
Steps Key Sequence Screens
8. Find the details TRACE and use left and right arrow keys
* P1:L1,L2 means this is Plot1 with time values in L1 and other values in L2
* Y=190 gives value of y variable when time is 1972.