Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:14Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
iħ ∂ψ/∂t = Ĥψ
det| 4 8 ; 3 5 | = -4
289K
det| 7 2 ; 7 8 | = 42
278K
3r² + 6r + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 6 6 ; 5 7 | = 12
358K
det| 7 4 ; 4 8 | = 40
11K