Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 18:56Z
ΔS ≥ 0
∫₀^∞ e^(-t²) dt = √π / 2
46K
∫₀^∞ e^(-θ²) dθ = √π / 2
468K
\oint_C \vec{F}\cdot d\vec{r} = 0
d/dθ [θ^4] = 4θ^3
∑_{k=1}^{n} k = n(n+1)/2
358K
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 9 4 ; 1 10 | = 86
11K
det| 11 4 ; 5 12 | = 112
387K