Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:25Z
det| 5 1 ; 4 6 | = 26
∑_{k=1}^{n} k = n(n+1)/2
det| 9 5 ; 1 10 | = 85
289K
∑_{k=1}^{n} k = n(n+1)/2
278K
12φ² + 4φ + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
339K
det| 9 4 ; 1 10 | = 86
358K