Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:11Z
∇²x = 0
det| 10 7 ; 3 11 | = 89
168K
8n² + 3n + 6 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
144K
∂x/∂α = 7x
det| 9 4 ; 1 10 | = 86
86K
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
∫₀^∞ e^(-x²) dx = √π / 2
224K
∑_{k=1}^{n} k = n(n+1)/2
234K
\lim_{β\to 0} \frac{\sin β}{β} = 1
AgNO₃ + NaCl → AgCl↓ + NaNO₃