Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 12:34Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 6 ; 2 6 | = 18
144K
∇²ω = 0
det| 5 5 ; 6 6 | = 0
∑_{k=1}^{n} k = n(n+1)/2
29K
∫₀^∞ e^(-r²) dr = √π / 2
F = ma
F = G m₁m₂ / r²
λ = h/p
iħ ∂ψ/∂t = Ĥψ