Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:36Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
det| 9 4 ; 1 10 | = 86
289K
e^{i\pi} + 1 = 0
det| 5 6 ; 2 6 | = 18
177K
∂x/∂r = 4x
Fe₂O₃ + 3CO → 2Fe + 3CO₂
358K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
399K
∑_{k=1}^{n} k = n(n+1)/2
316K