Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 20:56Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
det| 10 2 ; 3 11 | = 104
289K
det| 7 4 ; 4 8 | = 40
278K
e^{i\pi} + 1 = 0
∂x/∂r = 4x
∫₀^∞ e^(-n²) dn = √π / 2
121K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
399K
∑_{k=1}^{n} k = n(n+1)/2
316K