Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 17:14Z
\lim_{z\to 0} \frac{\sin z}{z} = 1
∑_{k=1}^{n} k = n(n+1)/2
445K
∇ × E = −∂B/∂t
det| 8 2 ; 2 9 | = 68
\binom{n}{k} = \frac{n!}{k!(n-k)!}
362K
PV = nRT
\binom{n}{k} = \frac{n!}{k!(n-k)!}
179K
det| 7 4 ; 4 8 | = 40
405K
∂y/∂α = 1y
det| 11 9 ; 5 12 | = 87
442K
∑_{k=1}^{n} k = n(n+1)/2
42K
\oint_C \vec{F}\cdot d\vec{r} = 0