Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 00:01Z
∇²β = 0
det| 9 9 ; 5 10 | = 45
164K
det| 4 6 ; 4 5 | = -4
232K
3y² + 5y + 2 = 0
d/dx [x^2] = 2x^1
1φ² + 5φ + 7 = 0
e^{i\pi} + 1 = 0
7n² + 3n + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}