Field Notes / Σ /sym/a4178c
id=282356 · host=uk.mattivster.me · 2026-08-30 18:47Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{11}{9} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
428K
\lim_{y\to 0} \frac{\sin y}{y} = 1
\frac{11}{6} \sum_{i=1}^{n} i^{2}
350K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
141K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 7 ; 3 6 | = 9
9n² + 3n + 4 = 0
e^{i\pi} + 1 = 0