Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:07Z
∇²x = 0
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
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
224K
\lim_{β\to 0} \frac{\sin β}{β} = 1
det| 4 7 ; 2 5 | = 6
354K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 5 ; 1 10 | = 85
70K
∇²n = 0