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}
∑_{k=1}^{n} k = n(n+1)/2
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
det| 4 6 ; 0 5 | = 20
174K
∇²x = 0
det| 9 4 ; 1 10 | = 86
335K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
119K
E = mc²
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
392K
det| 7 2 ; 3 8 | = 50
32K
\lim_{x\to 0} \frac{\sin x}{x} = 1
12z² + 7z + 6 = 0