Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:10Z
∇²x = 0
det| 4 8 ; 3 5 | = -4
446K
8n² + 3n + 6 = 0
∂x/∂α = 7x
∑_{k=1}^{n} k = n(n+1)/2
259K
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
det| 9 4 ; 1 10 | = 86
224K
det| 2 3 ; 5 3 | = -9
234K
\lim_{β\to 0} \frac{\sin β}{β} = 1
det| 12 2 ; 2 13 | = 152
218K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∇²n = 0