Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 00:17Z
∑_{k=1}^{n} k = n(n+1)/2
det| 5 3 ; 7 6 | = 9
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3x² + 3x + 6 = 0
∫₀^∞ e^(-ω²) dω = √π / 2
144K
∇²t = 0
7z² + 2z + 0 = 0
∑_{k=1}^{n} k = n(n+1)/2
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det| 10 3 ; 4 11 | = 98
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det| 4 2 ; 5 5 | = 10