Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 20:15Z
E = mc²
\frac{11}{6} \sum_{i=1}^{n} i^{2}
320K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
144K
2ω² + 4ω + 5 = 0
det| 9 3 ; 3 10 | = 81
90K
E = mc²
\frac{9}{8} \sum_{i=1}^{n} i^{2}
det| 2 1 ; 2 3 | = 4
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
69K
\binom{n}{k} = \frac{n!}{k!(n-k)!}