Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:03Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
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CaCO₃ → CaO + CO₂
∫₀^∞ e^(-θ²) dθ = √π / 2
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e^{i\pi} + 1 = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1
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∂x/∂r = 4x
\oint_C \vec{F}\cdot d\vec{r} = 0
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 12 4 ; 4 13 | = 140