Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:49Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-t²) dt = √π / 2
446K
3x² + 3x + 6 = 0
∇²t = 0
det| 11 4 ; 5 12 | = 112
259K
7z² + 2z + 0 = 0
det| 7 4 ; 4 8 | = 40
234K
det| 4 2 ; 5 5 | = 10
det| 7 6 ; 1 8 | = 50
218K
det| 1 4 ; 3 2 | = -10
354K
∑_{k=1}^{n} k = n(n+1)/2
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