Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 15:20Z
F = G m₁m₂ / r²
det| 4 8 ; 3 5 | = -4
164K
det| 7 4 ; 4 8 | = 40
232K
4z² + 8z + 7 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 6 4 ; 4 7 | = 26
165K
11n² + 2n + 4 = 0
∫₀^∞ e^(-t²) dt = √π / 2
430K
\frac{9}{8} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
215K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
324K