Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:53Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{1} \sum_{i=1}^{n} i^{2}
\lim_{α\to 0} \frac{\sin α}{α} = 1
289K
det| 10 7 ; 3 11 | = 89
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∂x/∂θ = 8x
\lim_{x\to 0} \frac{\sin x}{x} = 1
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
3φ² + 4φ + 2 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0
358K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
121K
5ω² + 6ω + 0 = 0
det| 7 2 ; 7 8 | = 42
399K
∫₀^∞ e^(-θ²) dθ = √π / 2
det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K