Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-19 23:05Z
∇²r = 0
∑_{k=1}^{n} k = n(n+1)/2
329K
∑_{k=1}^{n} k = n(n+1)/2
43K
e^{i\pi} + 1 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 6 8 ; 6 7 | = -6
det| 9 4 ; 1 10 | = 86
45K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
74K
\oint_C \vec{F}\cdot d\vec{r} = 0
e^{i\pi} + 1 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
∫₀^∞ e^(-y²) dy = √π / 2
∫₀^∞ e^(-ψ²) dψ = √π / 2