Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:11Z
∇²x = 0
det| 7 4 ; 4 8 | = 40
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8n² + 3n + 6 = 0
∂x/∂α = 7x
det| 11 5 ; 0 12 | = 132
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∑_{k=1}^{n} k = n(n+1)/2
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\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
\oint_C \vec{F}\cdot d\vec{r} = 0
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\lim_{β\to 0} \frac{\sin β}{β} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}