Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-19 21:07Z
10t² + 3t + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
66K
∑_{k=1}^{n} k = n(n+1)/2
222K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
2K
8ψ² + 2ψ + 2 = 0
det| 9 9 ; 5 10 | = 45
174K
∂β/∂y = 8β
det| 2 7 ; 7 3 | = -43
380K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
119K
∇ × E = −∂B/∂t
∫₀^∞ e^(-γ²) dγ = √π / 2
∫₀^∞ e^(-ω²) dω = √π / 2
det| 4 3 ; 3 5 | = 11
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1