Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:08Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-z²) dz = √π / 2
468K
CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
339K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
∂x/∂r = 4x
\binom{n}{k} = \frac{n!}{k!(n-k)!}
399K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
316K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
387K