Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:32Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
289K
3r² + 6r + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
E = mc²
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 9 4 ; 1 10 | = 86
399K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
316K
det| 3 6 ; 1 4 | = 6
det| 8 5 ; 0 9 | = 72