Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:05Z
∇²x = 0
∫₀^∞ e^(-t²) dt = √π / 2
168K
∫₀^∞ e^(-z²) dz = √π / 2
446K
8n² + 3n + 6 = 0
det| 7 4 ; 4 8 | = 40
144K
∑_{k=1}^{n} k = n(n+1)/2
371K
∂x/∂α = 7x
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
det| 4 8 ; 3 5 | = -4
224K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
218K
det| 1 4 ; 3 2 | = -10
354K