Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 01:28Z
\lim_{n\to 0} \frac{\sin n}{n} = 1
ω = 2πf
\lim_{r\to 0} \frac{\sin r}{r} = 1
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det| 1 7 ; 1 2 | = -5
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
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d/dn [n^1] = 1n^0
det| 2 8 ; 7 3 | = -50
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\oint_C \vec{F}\cdot d\vec{r} = 0
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8β² + 8β + 2 = 0
det| 1 7 ; 4 2 | = -26
∂γ/∂ψ = 5γ
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O