Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 02:08Z
det| 5 5 ; 5 6 | = 5
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
5θ² + 3θ + 2 = 0
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
121K
CH₄ + 2O₂ → CO₂ + 2H₂O
\lim_{y\to 0} \frac{\sin y}{y} = 1
\lim_{r\to 0} \frac{\sin r}{r} = 1