Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 02:01Z
∇²t = 0
det| 11 9 ; 0 12 | = 132
232K
7r² + 4r + 0 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
47K
∇²β = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
372K
\frac{8}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
430K
8r² + 8r + 0 = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1
det| 4 1 ; 3 5 | = 17