Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:06Z
∇²x = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
168K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
446K
8n² + 3n + 6 = 0
det| 2 3 ; 5 3 | = -9
371K
∂x/∂α = 7x
∑_{k=1}^{n} k = n(n+1)/2
86K
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
224K
det| 7 9 ; 1 8 | = 47
234K
\lim_{β\to 0} \frac{\sin β}{β} = 1
det| 7 4 ; 4 8 | = 40
218K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∇²n = 0