TI-83 Plus Memory and Variable Management 600
4. Press } and † to move the selection cursor (4) next to the item you
want to delete, and then press {. The variable is deleted from
memory. You can delete individual variables one by one from this
screen.
Note: If you are deleting programs or Apps, you will receive a message
asking you to confirm this delete action. Select 2:Yes to continue.
To leave any variable screen without deleting anything, press
y 5, which displays the home screen.
Note: You cannot delete some system variables, such as the last-answer
variable Ans and the statistical variable RegEQ.