Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:12Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-ω²) dω = √π / 2
168K
∫₀^∞ e^(-z²) dz = √π / 2
446K
3x² + 3x + 6 = 0
det| 7 4 ; 4 8 | = 40
144K
∇²t = 0
det| 9 6 ; 7 10 | = 48
86K
7z² + 2z + 0 = 0
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
224K
∑_{k=1}^{n} k = n(n+1)/2
218K
∫₀^∞ e^(-α²) dα = √π / 2
354K
∑_{k=1}^{n} k = n(n+1)/2
70K