Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:19Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-t²) dt = √π / 2
446K
3x² + 3x + 6 = 0
det| 5 3 ; 7 6 | = 9
371K
∇²t = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
259K
CH₄ + 2O₂ → CO₂ + 2H₂O
224K
∑_{k=1}^{n} k = n(n+1)/2
234K