| 20 | 20th LS(210503) Normal Distribution 시험대비 | Jp Park  | 2021-05-04 | 0 |
| 19 | 19th LS(210501) Normal Distribution | Jp Park | 2021-05-02 | 0 |
| 18 | 18th LS(210427) Trigonometry & Polar 시험대비 | Jp Park | 2021-04-28 | 0 |
| 17 | 17th LS(210424) Trigonometry Cont. | Jp Park | 2021-04-25 | 0 |
| 16 | 16th LS(210423) Trigonometry | Jp Park | 2021-04-24 | 0 |
| 15 | 15th LS(210417) Quadratic Eqs | Jp Park | 2021-04-18 | 0 |
| 14 | 14th LS(210416) Normal Distribution | Jp Park | 2021-04-17 | 0 |
| 13 | 13th LS(210327) Polar Coordinate & Parametric Eqs | Jp Park | 2021-03-28 | 0 |
| 12 | 12th LS(210326) Polar Coordinate(Stewart) | Jp Park | 2021-03-27 | 0 |
| 11 | 11th LS(210320) Polar Coordinate | Jp Park | 2021-03-21 | 0 |
| 10 | 10th LS(210319) Polar Graph | Jp Park | 2021-03-20 | 0 |
| 9 | 9th LS(210312) Linear Eqs and ETC Q & A | Jp Park | 2021-03-13 | 0 |
| 8 | 8th LS(210306) Complex Fraction and ETC Q & A | Jp Park | 2021-03-07 | 1 |
| 7 | 7th LS(210305) Expression, Unit Change Q & A | Jp Park | 2021-03-06 | 0 |
| 6 | 6th LS(210227) Trigonometry Double & Half Angle Theorem Q & .. | Jp Park | 2021-02-28 | 0 |
| 5 | 5th LS(210226) Trigonometry Sum & Difference Q & A | Jp Park | 2021-02-28 | 0 |
| 4 | 4th LS(210220) Past Paper Q & A | Jp Park | 2021-02-21 | 0 |
| 3 | 3rd LS(210219) Double angle theorem | Jp Park | 2021-02-20 | 0 |
| 2 | 2ns LS(210213) SAT Q&A | Jp Park | 2021-02-14 | 0 |
| 1 | 1st LS(210212) SAT Q&A | Jp Park | 2021-02-13 | 0 |
