Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 03:16Z
\frac{1}{3} \sum_{i=1}^{n} i^{2}
det| 12 1 ; 4 13 | = 152
66K
det| 5 6 ; 7 6 | = -12
222K
∑_{k=1}^{n} k = n(n+1)/2
det| 7 3 ; 6 8 | = 38
87K
\lim_{φ\to 0} \frac{\sin φ}{φ} = 1
∇²x = 0
∫₀^∞ e^(-φ²) dφ = √π / 2
380K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
E = mc²