Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 22:41Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
384K
det| 11 9 ; 4 12 | = 96
det| 4 2 ; 6 5 | = 8
163K
∫₀^∞ e^(-x²) dx = √π / 2
259K
∇ × E = −∂B/∂t
det| 7 4 ; 4 8 | = 40
57K
5z² + 5z + 0 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
110K
det| 6 6 ; 3 7 | = 24
\oint_C \vec{F}\cdot d\vec{r} = 0
2H₂ + O₂ → 2H₂O