Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 17:12Z
\lim_{z\to 0} \frac{\sin z}{z} = 1
∑_{k=1}^{n} k = n(n+1)/2
445K
∑_{k=1}^{n} k = n(n+1)/2
193K
∇ × E = −∂B/∂t
det| 4 7 ; 2 5 | = 6
322K
det| 8 2 ; 2 9 | = 68
det| 5 6 ; 1 6 | = 24
362K
PV = nRT
∂y/∂α = 1y
AgNO₃ + NaCl → AgCl↓ + NaNO₃
442K
det| 9 4 ; 1 10 | = 86
42K
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
41K
e^{i\pi} + 1 = 0