Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:34Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 7 ; 3 11 | = 89
46K
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
289K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
e^{i\pi} + 1 = 0
det| 12 1 ; 5 13 | = 151
339K
∂x/∂r = 4x
∑_{k=1}^{n} k = n(n+1)/2
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 12 4 ; 4 13 | = 140
\frac{4}{6} \sum_{i=1}^{n} i^{2}
11K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
387K