Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 23:21Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∫₀^∞ e^(-φ²) dφ = √π / 2
164K
3φ² + 2φ + 7 = 0
E = mc²
det| 2 1 ; 0 3 | = 6
det| 7 4 ; 4 8 | = 40
130K
\frac{10}{3} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
455K
12r² + 8r + 6 = 0
6t² + 2t + 7 = 0