Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:11Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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CH₄ + 2O₂ → CO₂ + 2H₂O
det| 1 2 ; 7 2 | = -12
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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∇²α = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
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∑_{k=1}^{n} k = n(n+1)/2
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ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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