Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:43Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 12 9 ; 5 13 | = 111
46K
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
289K
det| 8 9 ; 4 9 | = 36
278K
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
∂x/∂r = 4x
det| 6 6 ; 5 7 | = 12
121K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
399K
∑_{k=1}^{n} k = n(n+1)/2
316K