Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-21 20:34Z
\lim_{r\to 0} \frac{\sin r}{r} = 1
∫₀^∞ e^(-α²) dα = √π / 2
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∇ × E = −∂B/∂t
7x² + 5x + 2 = 0
det| 9 6 ; 0 10 | = 90
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λ = h/p
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∫₀^∞ e^(-ψ²) dψ = √π / 2
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∂α/∂r = 6α
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
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∫₀^∞ e^(-x²) dx = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0