Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 02:33Z
\lim_{r\to 0} \frac{\sin r}{r} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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E = mc²
\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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∇ × E = −∂B/∂t
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\frac{12}{7} \sum_{i=1}^{n} i^{2}
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λ = h/p
det| 5 6 ; 1 6 | = 24
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det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
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