14 | 14th LS(210410) Polar Graph Quiz 대비 | Jp Park | 2021-04-11 | 1 |
13 | 13th LS(210406) Polar Graph Quiz 대비 | Jp Park | 2021-04-07 | 1 |
12 | 12th LS(210403) Parametric and Polar Curve | Jp Park | 2021-04-04 | 1 |
11 | 11th LS(210330) Complex Root | Jp Park | 2021-03-31 | 5 |
10 | 10th LS(210327) Polar Graph+Matrix(PDF 594) | Jp Park | 2021-03-28 | 1 |