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}
det| 5 6 ; 7 6 | = -12
66K
\lim_{t\to 0} \frac{\sin t}{t} = 1
222K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 11 4 ; 5 12 | = 112
61K
∇²x = 0
\frac{8}{7} \sum_{i=1}^{n} i^{2}
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
E = mc²
det| 1 1 ; 5 2 | = -3
392K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
32K