Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 00:05Z
∇²β = 0
∑_{k=1}^{n} k = n(n+1)/2
164K
3y² + 5y + 2 = 0
d/dx [x^2] = 2x^1
det| 2 4 ; 4 3 | = -10
165K
1φ² + 5φ + 7 = 0
e^{i\pi} + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
336K
7n² + 3n + 1 = 0