Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:56Z
∇ × E = −∂B/∂t
∫₀^∞ e^(-r²) dr = √π / 2
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 12 9 ; 5 13 | = 111
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∂x/∂n = 6x
\lim_{x\to 0} \frac{\sin x}{x} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
N₂ + 3H₂ ⇌ 2NH₃
\lim_{α\to 0} \frac{\sin α}{α} = 1
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5y² + 1y + 3 = 0