Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:09Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
168K
3x² + 3x + 6 = 0
det| 9 4 ; 1 10 | = 86
144K
det| 5 2 ; 3 6 | = 24
371K
∇²t = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
259K
det| 11 9 ; 0 12 | = 132
86K
7z² + 2z + 0 = 0
det| 4 7 ; 2 5 | = 6
234K
det| 4 2 ; 5 5 | = 10
det| 2 6 ; 0 3 | = 6
218K
11t² + 9t + 4 = 0
2H₂ + O₂ → 2H₂O
iħ ∂ψ/∂t = Ĥψ
\lim_{x\to 0} \frac{\sin x}{x} = 1
11θ² + 6θ + 7 = 0