Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 02:41Z
det| 5 5 ; 5 6 | = 5
2H₂ + O₂ → 2H₂O
\frac{4}{9} \sum_{i=1}^{n} i^{2}
289K
5θ² + 3θ + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
177K
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-x²) dx = √π / 2
358K
∫₀^∞ e^(-ψ²) dψ = √π / 2
121K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 7 4 ; 4 8 | = 40
399K
\lim_{y\to 0} \frac{\sin y}{y} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
\lim_{r\to 0} \frac{\sin r}{r} = 1