Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-19 23:04Z
∇²r = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
43K
e^{i\pi} + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
310K
∑_{k=1}^{n} k = n(n+1)/2
98K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 6 8 ; 6 7 | = -6
det| 7 4 ; 4 8 | = 40
45K
\frac{1}{7} \sum_{i=1}^{n} i^{2}
74K
\oint_C \vec{F}\cdot d\vec{r} = 0