Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:51Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
168K
3x² + 3x + 6 = 0
∇²t = 0
∫₀^∞ e^(-t²) dt = √π / 2
259K
∑_{k=1}^{n} k = n(n+1)/2
218K
det| 6 6 ; 5 7 | = 12
354K
det| 11 5 ; 0 12 | = 132
70K