1. Students may change their MODE settings.
Go to: [MODE]. Defaults are shown below.
2. Students may have a problem with their Axes, Grid, or Graph Display.
These are found at: [2nd] [FORMAT]. Defaults are shown below.
3. Students may leave their plots ON when they are normally OFF.
Stat Plots are at: [2nd] [STAT PLOT].
4. Reset Defaults.
Go to: [2nd] [MEM] "7: Reset". Press "2: Defaults". Press "2: Reset". Defaults should be set.