Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:38Z
det| 5 1 ; 4 6 | = 26
det| 5 9 ; 7 6 | = -33
46K
det| 9 5 ; 1 10 | = 85
468K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
289K
12φ² + 4φ + 4 = 0
det| 11 4 ; 5 12 | = 112
177K