| Answer | Crossword Clue |
|---|---|
| PENT | Abbr. on a certain elevator button |
| DEF | Letters on a certain phone button |
| REC | Abbr. on a VCR button |
| VOL | Button on a remote: Abbr. |
| OPER | Abbr. on a 0 button |
| OPER | Abbr. on a phone's "0" button |
| EXP | Button abbr. on a scientific calculator |
