Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:13Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
iħ ∂ψ/∂t = Ĥψ
Fe₂O₃ + 3CO → 2Fe + 3CO₂
289K
3r² + 6r + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
177K
det| 9 4 ; 1 10 | = 86
358K
∑_{k=1}^{n} k = n(n+1)/2
121K