Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 08:05Z
\oint_C \vec{F}\cdot d\vec{r} = 0
∇ × E = −∂B/∂t
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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∑_{k=1}^{n} k = n(n+1)/2
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10x² + 2x + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∫₀^∞ e^(-t²) dt = √π / 2
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∇²φ = 0
12φ² + 4φ + 7 = 0
det| 7 4 ; 4 8 | = 40
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