Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:52Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
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∫₀^∞ e^(-t²) dt = √π / 2
446K
3x² + 3x + 6 = 0
∇²t = 0
det| 6 6 ; 5 7 | = 12
259K
7z² + 2z + 0 = 0
det| 7 4 ; 4 8 | = 40
234K
det| 4 2 ; 5 5 | = 10
det| 9 5 ; 1 10 | = 85
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det| 3 6 ; 0 4 | = 12
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