Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:43Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
384K
det| 11 9 ; 4 12 | = 96
det| 4 8 ; 3 5 | = -4
259K
∇ × E = −∂B/∂t
∫₀^∞ e^(-t²) dt = √π / 2
305K
det| 9 4 ; 1 10 | = 86
57K
5z² + 5z + 0 = 0
det| 6 6 ; 3 7 | = 24
∑_{k=1}^{n} k = n(n+1)/2
300K
\oint_C \vec{F}\cdot d\vec{r} = 0
2H₂ + O₂ → 2H₂O
E = mc²
2n² + 3n + 1 = 0