Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:20Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
66K
det| 8 6 ; 5 9 | = 42
222K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 5 6 ; 2 6 | = 18
174K
∇²x = 0
det| 7 4 ; 4 8 | = 40
380K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
119K
E = mc²
det| 5 6 ; 4 6 | = 6
392K