Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:32Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-t²) dt = √π / 2
289K
e^{i\pi} + 1 = 0
∂x/∂r = 4x
Fe₂O₃ + 3CO → 2Fe + 3CO₂
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
11K
det| 2 3 ; 5 3 | = -9
387K