| 31 | 29th LS(200203) CIS theta(P286) | jp Park  | 2020-02-04 | 1 |
| 30 | 28th LS(200131) Complex Polar form(P283) | jp Park | 2020-02-01 | 1 |
| 29 | 27th LS(200127) Complex Plane(P276) | jp Park | 2020-01-28 | 1 |
| 28 | 26th LS(200120) Complex(P267) | jp Park | 2020-01-21 | 1 |
| 27 | 25th LS(200117) Vector Application(P255) | jp Park | 2020-01-18 | 0 |
| 26 | 24th LS(200113) 시험대비 Geometry 질의응답 | jp Park | 2020-01-14 | 0 |
| 25 | 23th LS(200111) Geometry 질의응답 | jp Park | 2020-01-11 | 1 |
| 24 | 22th LS(200106) Constant Velocity Problems(P249 #1) | jp Park | 2020-01-07 | 2 |
| 23 | 21th LS(200103) Ch1 질의응답 | jp Park | 2020-01-04 | 3 |
| 22 | 20th LS(191230) 공간에서 직선의 방정식 (P244) | jp Park | 2019-12-31 | 1 |
| 21 | 19th LS(191223) Vector Product 연습문제 (P237) | jp Park | 2019-12-24 | 1 |
| 20 | 18th LS(191220) Vector Product (P231) | jp Park | 2019-12-21 | 1 |
| 19 | 17th LS(191216) 통계질문(Excel+TeamViewer이용) | jp Park | 2019-12-17 | 0 |
| 18 | 16th LS(191213) Scalar Product (P226)+통계질문 | jp Park | 2019-12-14 | 2 |
| 17 | 15th LS(191209) Scalar Product (P223) | jp Park | 2019-12-10 | 1 |
| 16 | 14th LS(191206) Vectors (P216) | jp Park | 2019-12-07 | 1 |
| 15 | 13th LS(191129) Non-Linear Modeling Example(P186) | jp Park | 2019-11-30 | 3 |
| 14 | 12th LS(191125) Rank Correlation Coefficient+Non-Linear Mode.. | jp Park | 2019-11-26 | 2 |
| 13 | 11th LS(191122) Correlation Coefficient(P163) | jp Park | 2019-11-23 | 0 |
| 12 | 10th LS(191118) 시험대비 질의응답 | jp Park | 2019-11-19 | 4 |
