Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 22:46Z
det| 5 1 ; 4 6 | = 26
∑_{k=1}^{n} k = n(n+1)/2
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
∑_{k=1}^{n} k = n(n+1)/2
12φ² + 4φ + 4 = 0
det| 2 3 ; 5 3 | = -9
339K
det| 7 4 ; 4 8 | = 40
177K
E = mc²
det| 6 6 ; 5 7 | = 12
399K
det| 11 5 ; 0 12 | = 132
316K