Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 15:19Z
F = G m₁m₂ / r²
∑_{k=1}^{n} k = n(n+1)/2
232K
4z² + 8z + 7 = 0
det| 12 1 ; 5 13 | = 151
375K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{7}{1} \sum_{i=1}^{n} i^{2}
165K
11n² + 2n + 4 = 0
det| 5 6 ; 2 6 | = 18
130K
\frac{9}{8} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
455K
\frac{4}{4} \sum_{i=1}^{n} i^{2}
det| 9 4 ; 1 10 | = 86
215K
det| 6 2 ; 0 7 | = 42