Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:16Z
∑_{k=1}^{n} k = n(n+1)/2
3x² + 3x + 6 = 0
det| 7 4 ; 4 8 | = 40
144K
∇²t = 0
det| 5 9 ; 7 6 | = -33
224K
∫₀^∞ e^(-t²) dt = √π / 2
354K
∑_{k=1}^{n} k = n(n+1)/2
70K
det| 4 8 ; 3 5 | = -4
402K