Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:21Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
66K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 7 4 ; 4 8 | = 40
174K
det| 2 7 ; 7 3 | = -43
61K
det| 5 6 ; 2 6 | = 18
119K
\frac{12}{7} \sum_{i=1}^{n} i^{2}
472K