Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 17:07Z
11x² + 3x + 4 = 0
det| 9 9 ; 5 10 | = 45
66K
ω = 2πf
det| 9 4 ; 1 10 | = 86
87K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
380K
λ = h/p
∑_{k=1}^{n} k = n(n+1)/2
119K
E = mc²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O