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}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
66K
\frac{7}{1} \sum_{i=1}^{n} i^{2}
222K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
87K
\frac{6}{7} \sum_{i=1}^{n} i^{2}
2K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
61K
∇²x = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
380K
det| 11 9 ; 0 12 | = 132
335K
\lim_{r\to 0} \frac{\sin r}{r} = 1
472K
det| 9 4 ; 1 10 | = 86
32K