Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
468K
iħ ∂ψ/∂t = Ĥψ
3r² + 6r + 7 = 0
E = mc²
det| 3 6 ; 0 4 | = 12
358K
∑_{k=1}^{n} k = n(n+1)/2
121K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 3 6 ; 1 4 | = 6
det| 2 7 ; 7 3 | = -43
11K
det| 8 5 ; 0 9 | = 72