Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:51Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
det| 4 8 ; 3 5 | = -4
144K
det| 7 2 ; 7 8 | = 42
371K
∇²t = 0
∫₀^∞ e^(-x²) dx = √π / 2
86K
det| 4 2 ; 6 5 | = 8
224K
det| 7 4 ; 4 8 | = 40
70K