Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:04Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{t\to 0} \frac{\sin t}{t} = 1
46K
CaCO₃ → CaO + CO₂
e^{i\pi} + 1 = 0
∂x/∂r = 4x
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
316K
det| 12 4 ; 4 13 | = 140
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K