Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 17:40Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
232K
det| 10 9 ; 3 11 | = 83
ω = 2πf
det| 7 4 ; 4 8 | = 40
372K
det| 1 1 ; 7 2 | = -5
e^{i\pi} + 1 = 0
∫₀^∞ e^(-t²) dt = √π / 2
336K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 8 9 ; 7 9 | = 9