Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:11Z
∇²x = 0
8n² + 3n + 6 = 0
∂x/∂α = 7x
∫₀^∞ e^(-θ²) dθ = √π / 2
259K
∫₀^∞ e^(-t²) dt = √π / 2
86K
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
det| 9 6 ; 7 10 | = 48
224K
\lim_{β\to 0} \frac{\sin β}{β} = 1
det| 5 2 ; 3 6 | = 24
218K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
AgNO₃ + NaCl → AgCl↓ + NaNO₃