Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 18:22Z
ΔS ≥ 0
∫₀^∞ e^(-r²) dr = √π / 2
46K
det| 7 4 ; 4 8 | = 40
468K
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
d/dθ [θ^4] = 4θ^3
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 5 5 ; 7 6 | = -5
∑_{k=1}^{n} k = n(n+1)/2
358K
\oint_C \vec{F}\cdot d\vec{r} = 0
∫₀^∞ e^(-t²) dt = √π / 2
399K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
316K
∫₀^∞ e^(-ω²) dω = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
387K
5φ² + 8φ + 1 = 0