Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 17:08Z
11x² + 3x + 4 = 0
det| 7 3 ; 6 8 | = 38
66K
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
87K
∑_{k=1}^{n} k = n(n+1)/2
2K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 6 ; 1 8 | = 50
174K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
λ = h/p
E = mc²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
CaCO₃ → CaO + CO₂
1θ² + 7θ + 5 = 0