Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 19:23Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
det| 10 5 ; 4 11 | = 90
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det| 9 1 ; 6 10 | = 84
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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det| 11 9 ; 0 12 | = 132
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∫₀^∞ e^(-θ²) dθ = √π / 2
\oint_C \vec{F}\cdot d\vec{r} = 0
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
CaCO₃ → CaO + CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
F = G m₁m₂ / r²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{2}{6} \sum_{i=1}^{n} i^{2}