| Giver | Post | Date |
| Johnstone123 | GRE Math Challenge #16 - An Electrical Engineering website | 02-Jun-2024 |
| pranta | GRE Math Challenge #16 - An Electrical Engineering website | 06-Feb-2023 |
| hridaymehta10 | GRE Math Challenge #16 - An Electrical Engineering website | 12-Aug-2021 |
| badgeMBA | GRE Math Challenge #16 - An Electrical Engineering website | 14-Jun-2021 |