Texas Instruments TI-84 - Manual (Page 543)

Chapter 18: Memory and Variable Management 540
4. Press
} and † to move the selection cursor (4) next to the group variable you want
to ungroup, and then press
Í.
The ungroup action is completed.
Note: Ungrouping does not remove the group from user data archive. You must delete
the group in user data archive to remove it.