| NOS | Mathematician's interests, in brief |
| FYI | "In case it's of interest ...," in brief |
| ECON | Subject of interest, in brief |
| COMMONGROUND | Shared interests in green soil (6,6) |
| PARTY | Power with cultural interests in political body (5) |
| NETWORK | Group with common interests in online post? (7) |
| PARENTS | Companies with controlling interests in other businesses |
| GENERALIST | One with skills or interests in many areas |
| EBRO | A third-century BC treaty set this river as the boundary of Roman and Carthaginian interests in Spain (4) |
| MRBIG | One of Carrie Bradshaw's main love interests in "Sex and the City" |
| NSA | Big employer of U.S. mathematicians, in brief |
| CALCULUS | Mathematicians study this, possibly in a body (8) |
| PROVERBS | Truthful expressions in book penned by successful mathematicians |
| FRACTION | Number of mathematicians beginning to relax in party |
| CONVERSE | Take part in discussions? For mathematicians, just the opposite (8) |
| NUMERALS | The symbols we use to write down numbers were called Arabic ... in the West, though Arabian mathematicians correctly ascribed them to their Hindu inventors |
| SAFETYINNUMBERS | Why lots of mathematicians feel secure when they're in a big group (6,2,7) |
| GAMINGTABLES | Magazine review is popular for golf, for mathematicians and for those in the casino business (6,6) |
| SLIDERULE | Law supporting transparency in device for mathematicians (5,4) |
| ORRERY | Unknown to mathematicians, supporting awful 9 in astronomical model (6) |
