Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 02:07Z
\lim_{r\to 0} \frac{\sin r}{r} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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E = mc²
∑_{k=1}^{n} k = n(n+1)/2
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\oint_C \vec{F}\cdot d\vec{r} = 0
det| 3 6 ; 0 4 | = 12
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det| 9 9 ; 5 10 | = 45
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∇ × E = −∂B/∂t
\frac{12}{7} \sum_{i=1}^{n} i^{2}
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det| 10 7 ; 3 11 | = 89
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λ = h/p
d/dθ [θ^7] = 7θ^6
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
CaCO₃ → CaO + CO₂