Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:28Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
det| 4 6 ; 4 5 | = -4
380K
\lim_{x\to 0} \frac{\sin x}{x} = 1
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
119K
det| 9 4 ; 1 10 | = 86
392K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
32K