Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:00Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
det| 8 9 ; 4 9 | = 36
66K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 7 ; 3 10 | = 69
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
174K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
61K
∇²x = 0
det| 9 4 ; 1 10 | = 86
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
119K
E = mc²
det| 7 2 ; 3 8 | = 50
32K
\lim_{x\to 0} \frac{\sin x}{x} = 1
12z² + 7z + 6 = 0