Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:04Z
∇²x = 0
det| 3 7 ; 2 4 | = -2
168K
det| 5 6 ; 2 6 | = 18
446K
8n² + 3n + 6 = 0
det| 7 4 ; 4 8 | = 40
144K
\lim_{r\to 0} \frac{\sin r}{r} = 1
371K
∂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
234K
\lim_{β\to 0} \frac{\sin β}{β} = 1
AgNO₃ + NaCl → AgCl↓ + NaNO₃