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