Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:10Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
278K
e^{i\pi} + 1 = 0
det| 4 2 ; 6 5 | = 8
339K
det| 10 2 ; 3 11 | = 104
358K
∑_{k=1}^{n} k = n(n+1)/2
121K