Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:20Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
468K
iħ ∂ψ/∂t = Ĥψ
det| 9 4 ; 1 10 | = 86
289K
3r² + 6r + 7 = 0
det| 2 7 ; 7 3 | = -43
177K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
399K
det| 9 6 ; 7 10 | = 48
11K