Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:37Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
384K
det| 11 9 ; 4 12 | = 96
det| 9 4 ; 1 10 | = 86
163K
∇ × E = −∂B/∂t
5z² + 5z + 0 = 0
det| 6 6 ; 3 7 | = 24
\oint_C \vec{F}\cdot d\vec{r} = 0