Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-27 04:07Z
iħ ∂ψ/∂t = Ĥψ
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
339K
\lim_{r\to 0} \frac{\sin r}{r} = 1
det| 7 4 ; 4 8 | = 40
49K
∇ × E = −∂B/∂t
det| 2 3 ; 5 3 | = -9
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
309K
∑_{k=1}^{n} k = n(n+1)/2
241K
1φ² + 8φ + 4 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
41K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 12 9 ; 5 13 | = 111
226K
det| 1 4 ; 2 2 | = -6