Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 22:43Z
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
90K
2H₂ + O₂ → 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
100K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
137K
∑_{k=1}^{n} k = n(n+1)/2
197K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
262K
\lim_{x\to 0} \frac{\sin x}{x} = 1
196K