Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:07Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-t²) dt = √π / 2
468K
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-α²) dα = √π / 2
289K
\lim_{t\to 0} \frac{\sin t}{t} = 1
278K
e^{i\pi} + 1 = 0
∂x/∂r = 4x
det| 2 7 ; 7 3 | = -43
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃