Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:22Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
222K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
\frac{4}{6} \sum_{i=1}^{n} i^{2}
174K
∑_{k=1}^{n} k = n(n+1)/2
61K
∇²x = 0
\lim_{β\to 0} \frac{\sin β}{β} = 1
335K
det| 9 4 ; 1 10 | = 86
119K
∑_{k=1}^{n} k = n(n+1)/2
392K