Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 02:08Z
\lim_{r\to 0} \frac{\sin r}{r} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
479K
E = mc²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
57K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 6 4 ; 4 7 | = 26
264K
CH₄ + 2O₂ → CO₂ + 2H₂O
276K
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
257K
λ = h/p
∑_{k=1}^{n} k = n(n+1)/2
46K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
164K