Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:23Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
66K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∑_{k=1}^{n} k = n(n+1)/2
174K
CH₄ + 2O₂ → CO₂ + 2H₂O
61K
∇²x = 0
det| 4 6 ; 0 5 | = 20
380K
det| 5 6 ; 7 6 | = -12
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{t\to 0} \frac{\sin t}{t} = 1
119K
∇ × E = −∂B/∂t
E = mc²