Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:02Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
det| 12 1 ; 4 13 | = 152
66K
det| 9 4 ; 1 10 | = 86
222K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
61K
∇²x = 0
∑_{k=1}^{n} k = n(n+1)/2
335K
\lim_{β\to 0} \frac{\sin β}{β} = 1
119K