Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:00Z
∇²x = 0
det| 10 7 ; 3 11 | = 89
168K
det| 3 7 ; 2 4 | = -2
446K
8n² + 3n + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
371K
∂x/∂α = 7x
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
AgNO₃ + NaCl → AgCl↓ + NaNO₃
234K
\lim_{β\to 0} \frac{\sin β}{β} = 1
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{r\to 0} \frac{\sin r}{r} = 1
70K
∇²n = 0