Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 07:50Z
\oint_C \vec{F}\cdot d\vec{r} = 0
∫₀^∞ e^(-r²) dr = √π / 2
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det| 7 4 ; 4 8 | = 40
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∂φ/∂t = 3φ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 1 4 ; 4 2 | = -14
∑_{k=1}^{n} k = n(n+1)/2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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F = ma
det| 9 8 ; 3 10 | = 66
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∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
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4γ² + 3γ + 4 = 0
\frac{3}{2} \sum_{i=1}^{n} i^{2}
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CaCO₃ → CaO + CO₂