Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:07Z
∇²x = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
446K
8n² + 3n + 6 = 0
det| 9 6 ; 7 10 | = 48
144K
∂x/∂α = 7x
det| 12 2 ; 2 13 | = 152
259K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
86K
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
det| 9 4 ; 1 10 | = 86
224K
∑_{k=1}^{n} k = n(n+1)/2
234K
\lim_{β\to 0} \frac{\sin β}{β} = 1
\lim_{t\to 0} \frac{\sin t}{t} = 1
218K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
70K
∇²n = 0
5ψ² + 5ψ + 0 = 0
det| 8 6 ; 6 9 | = 36