Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:20Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
289K
det| 7 2 ; 7 8 | = 42
278K
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 7 6 ; 1 8 | = 50
399K
det| 7 4 ; 4 8 | = 40
11K