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| 7 7 ; 4 8 | = 28
66K
∑_{k=1}^{n} k = n(n+1)/2
\frac{11}{6} \sum_{i=1}^{n} i^{2}
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
472K
E = mc²
∇²φ = 0