Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 05:50Z
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
468K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∫₀^∞ e^(-α²) dα = √π / 2
289K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
339K
∑_{k=1}^{n} k = n(n+1)/2
358K
det| 9 6 ; 0 10 | = 90
399K