Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:35Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
384K
det| 4 2 ; 6 5 | = 8
385K
det| 11 9 ; 4 12 | = 96
Fe₂O₃ + 3CO → 2Fe + 3CO₂
259K
∇ × E = −∂B/∂t
∫₀^∞ e^(-θ²) dθ = √π / 2
57K
5z² + 5z + 0 = 0
det| 7 4 ; 4 8 | = 40
110K
det| 6 6 ; 3 7 | = 24
\oint_C \vec{F}\cdot d\vec{r} = 0