Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:22Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
66K
\lim_{t\to 0} \frac{\sin t}{t} = 1
222K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
det| 7 1 ; 7 8 | = 49
380K
det| 7 9 ; 1 8 | = 47
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 9 4 ; 1 10 | = 86
472K
E = mc²
\binom{n}{k} = \frac{n!}{k!(n-k)!}
392K