Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:02Z
d/dn [n^4] = 4n^3
\oint_C \vec{F}\cdot d\vec{r} = 0
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\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 5 6 ; 2 6 | = 18
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iħ ∂ψ/∂t = Ĥψ
det| 10 3 ; 4 11 | = 98
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∑_{k=1}^{n} k = n(n+1)/2
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\frac{2}{4} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
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CH₄ + 2O₂ → CO₂ + 2H₂O
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det| 5 7 ; 5 6 | = -5
det| 7 9 ; 1 8 | = 47
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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