Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:05Z
∇²x = 0
det| 9 4 ; 1 10 | = 86
168K
8n² + 3n + 6 = 0
∂x/∂α = 7x
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
det| 7 2 ; 7 8 | = 42
234K
\lim_{β\to 0} \frac{\sin β}{β} = 1
det| 6 6 ; 5 7 | = 12
218K
∑_{k=1}^{n} k = n(n+1)/2
354K