Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 02:22Z
\lim_{r\to 0} \frac{\sin r}{r} = 1
∑_{k=1}^{n} k = n(n+1)/2
479K
det| 9 7 ; 3 10 | = 69
8K
E = mc²
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 7 4 ; 4 8 | = 40
257K
det| 2 4 ; 4 3 | = -10
46K