Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 06:05Z
det| 3 9 ; 6 4 | = -42
∑_{k=1}^{n} k = n(n+1)/2
168K
∫₀^∞ e^(-t²) dt = √π / 2
446K
∑_{k=1}^{n} k = n(n+1)/2
2z² + 2z + 5 = 0
det| 4 2 ; 6 5 | = 8
259K
det| 9 4 ; 1 10 | = 86
86K
∑_{k=1}^{n} k = n(n+1)/2
234K