| JCU | This user is a student or graduate of John Carroll University. |
| JHU | This user attends or attended Johns Hopkins University |
| BS | This user has a Bachelor of Science degree in Mathematics. |
| BS | This user has a Bachelor of Science degree in Computer Science. |
| MA | This user has a Master of Arts degree in Mathematics. |
| This user is a mathematician. |
| Erdős 6 | This user has an Erdős number of 6. |
| PIT | This user is a fan of the Pittsburgh Pirates |
| PIT | This user is a fan of the Pittsburgh Steelers. |