| NERDALERT | Teasing words when someone starts listing the digits of pi, say |
| VOCATIVE | Case of a word when someone or something is addressed (8) |
| RATIO | Pi, say (5) |
| REELOFF | Start listing, exit listing (4,3) |
| CRAM | Study frantically (like trying to learn the digits of pi on the night before Pi Day) |
| NERDEDOUT | Excitedly recited the digits of pi, for example |
| NERDS | Ones memorizing the digits of pi, perhaps |
| TEMPER | Word repeated after someone starts to show anger |
| SCANNING | Someone starts preserving and checking (8) |
| METALDETECTOR | Lead investigator, say, to create mottled design |
| SOLDIER | Private Eye, say, infiltrates combine (7) |
| PERSONALITIES | Private Eye, say, connects famous people |
| NOI | "Let someone start believing in you... and Watch What Happens... _ _, _ won't believe your heart is cold, just afraid to be j broken again." -Frank Sinatra (1969) |
| NINE | The sum of the digits of any multiple of ___ is a multiple of ___ (arithmetic curiosity) |
| TOE | With "tick" and "tack", the game noughts and crosses; or, one of the digits of the human foot (3) |
| 61 | Reverse of the digits of a square number |
| ONES | Two of the first four digits of pi |
| TALENT | Doing impressions or reciting hundreds of digits of pi, e.g. |
| NERD | One who's able to rattle off digits of pi, perhaps |
| TOPTENS | Lists listing the very best of the best of things: 2 wds. |