Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:17Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
168K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
446K
3x² + 3x + 6 = 0
CH₄ + 2O₂ → CO₂ + 2H₂O
371K
∇²t = 0
det| 7 9 ; 1 8 | = 47
259K
7z² + 2z + 0 = 0
det| 7 4 ; 4 8 | = 40
224K
det| 4 2 ; 6 5 | = 8
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