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}
∑_{k=1}^{n} k = n(n+1)/2
\lim_{t\to 0} \frac{\sin t}{t} = 1
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∑_{k=1}^{n} k = n(n+1)/2
174K
∇²x = 0
det| 7 8 ; 6 8 | = 8
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
119K
\frac{11}{6} \sum_{i=1}^{n} i^{2}
472K
E = mc²
∇²φ = 0
\lim_{x\to 0} \frac{\sin x}{x} = 1
12z² + 7z + 6 = 0