Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 05:47Z
CaCO₃ → CaO + CO₂
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∑_{k=1}^{n} k = n(n+1)/2
289K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 4 ; 1 10 | = 86
339K
det| 12 4 ; 2 13 | = 148
12r² + 4r + 0 = 0
e^{i\pi} + 1 = 0
∫₀^∞ e^(-β²) dβ = √π / 2
ω = 2πf