Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 03:38Z
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
90K
∑_{k=1}^{n} k = n(n+1)/2
438K
∇²t = 0
det| 1 2 ; 7 2 | = -12
394K
8t² + 2t + 4 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
94K
det| 8 9 ; 1 9 | = 63
10r² + 2r + 2 = 0
\oint_C \vec{F}\cdot d\vec{r} = 0