Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 07:39Z
∂y/∂t = 1y
det| 4 6 ; 4 5 | = -4
66K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
87K
ΔS ≥ 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
174K
det| 7 4 ; 4 8 | = 40
61K
det| 6 1 ; 1 7 | = 41
\lim_{n\to 0} \frac{\sin n}{n} = 1
5φ² + 2φ + 6 = 0
\frac{9}{7} \sum_{i=1}^{n} i^{2}