Hello World! - First post Hello-World Jan 28, 2021 Hello World I’m minchurl shin! Matjax test Gauss’s law \[\oint_S \vec{E} \cdot d\vec{A} = \frac{Q}{\epsilon}\] Korean test 가나다라마바사아자차카타파하 PREVIOUSBoj 2863 - 수학게임NEXT블로그 계획