| 38 | 38th LS(220424) AP CAL AB 2019 (college board) | Jp Park  | 2022-04-25 | 0 |
| 37 | 37th LS(220410) AP CAL AB (college board) | Jp Park | 2022-04-10 | 1 |
| 36 | 36th LS(220403) AP CAL AB | Jp Park | 2022-04-03 | 1 |
| 35 | 35th LS(220327) 학교자료 | Jp Park | 2022-03-27 | 2 |
| 34 | 34th LS(220119) 적분 (학교자료) | Jp Park | 2022-01-20 | 0 |
| 33 | 33th LS(220105) Curve & Optimization (학교자료) | Jp Park | 2022-01-05 | 1 |
| 32 | 32th LS(211229) AP CAL AB | Jp Park | 2021-12-29 | 1 |
| 31 | 31th LS(211224) College board AP CAL AB | Jp Park | 2021-12-24 | 1 |
| 30 | 30th LS(211201) Extreme Value & Graph (학교자료) | Jp Park | 2021-12-01 | 1 |
| 29 | 29th LS(211117) Related Rates (학교자료) | Jp Park | 2021-11-17 | 2 |
| 28 | 28th LS(211110)Optimizing (PDF260) | Jp Park | 2021-11-10 | 1 |
| 27 | 27th LS(211103) Implicit differentiation (PDF168) | Jp Park | 2021-11-03 | 1 |
| 26 | 26th LS(211027) Differential formula (PDF143) | Jp Park | 2021-10-28 | 2 |
| 25 | 25th LS(211020) Application of derivative (PDF187 #343) | Jp Park | 2021-10-20 | 0 |
| 24 | 24th LS(211006) Continuous and derivative | Jp Park | 2021-10-06 | 1 |
| 23 | 23th LS(210929) 1.6 Limits (PDF 72 #66) | Jp Park | 2021-09-30 | 1 |
| 22 | 22th LS(210922) 시험대비 복습 | Jp Park | 2021-09-22 | 0 |
| 21 | 21th LS(210920) 학교 자료 | Jp Park | 2021-09-21 | 1 |
| 20 | 20th LS(210915) Implicit Differentiation (PDF 169) | Jp Park | 2021-09-16 | 3 |
| 19 | 19th LS(210913) Marginal Cost (PDF 139) | Jp Park | 2021-09-14 | 2 |
