Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 00:00Z
∇²β = 0
∫₀^∞ e^(-x²) dx = √π / 2
232K
3y² + 5y + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
375K
det| 12 3 ; 4 13 | = 144
47K
d/dx [x^2] = 2x^1
1φ² + 5φ + 7 = 0
det| 7 4 ; 4 8 | = 40
130K