Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:19Z
∑_{k=1}^{n} k = n(n+1)/2
det| 8 9 ; 4 9 | = 36
168K
3x² + 3x + 6 = 0
∇²t = 0
det| 6 6 ; 5 7 | = 12
86K
det| 5 9 ; 7 6 | = -33
224K
det| 9 4 ; 1 10 | = 86
234K
∫₀^∞ e^(-t²) dt = √π / 2
354K
∑_{k=1}^{n} k = n(n+1)/2
70K
det| 11 5 ; 0 12 | = 132
402K