Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:12Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
e^{i\pi} + 1 = 0
det| 12 1 ; 5 13 | = 151
339K
det| 4 8 ; 3 5 | = -4
177K
∑_{k=1}^{n} k = n(n+1)/2
121K
det| 7 4 ; 4 8 | = 40
11K