Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-20 07:47Z
3α² + 5α + 5 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
375K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
372K
∂θ/∂ω = 7θ
∑_{k=1}^{n} k = n(n+1)/2
130K
∇²x = 0