Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 20:26Z
d/dω [ω^4] = 4ω^3
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
384K
∑_{k=1}^{n} k = n(n+1)/2
385K
8z² + 6z + 5 = 0
det| 7 4 ; 4 8 | = 40
259K
∂ψ/∂r = 2ψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
57K
det| 2 2 ; 5 3 | = -4
∑_{k=1}^{n} k = n(n+1)/2
110K
det| 5 6 ; 1 6 | = 24
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
354K
2H₂ + O₂ → 2H₂O
det| 7 2 ; 6 8 | = 44
\lim_{z\to 0} \frac{\sin z}{z} = 1