Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:03Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
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∫₀^∞ e^(-t²) dt = √π / 2
446K
3x² + 3x + 6 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
371K
∇²t = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
259K
7z² + 2z + 0 = 0
det| 9 6 ; 7 10 | = 48
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det| 4 2 ; 5 5 | = 10
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 11 5 ; 0 12 | = 132
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2H₂ + O₂ → 2H₂O
\lim_{x\to 0} \frac{\sin x}{x} = 1
402K
\lim_{x\to 0} \frac{\sin x}{x} = 1
11θ² + 6θ + 7 = 0