Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:16Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-x²) dx = √π / 2
384K
∑_{k=1}^{n} k = n(n+1)/2
385K
det| 11 9 ; 4 12 | = 96
∑_{k=1}^{n} k = n(n+1)/2
259K
∇ × E = −∂B/∂t
det| 5 9 ; 7 6 | = -33
305K
5z² + 5z + 0 = 0
det| 6 6 ; 3 7 | = 24
det| 9 5 ; 1 10 | = 85
300K
\oint_C \vec{F}\cdot d\vec{r} = 0
2H₂ + O₂ → 2H₂O
E = mc²
2n² + 3n + 1 = 0
det| 2 9 ; 4 3 | = -30