Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:06Z
∇²x = 0
det| 7 4 ; 4 8 | = 40
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8n² + 3n + 6 = 0
∂x/∂α = 7x
det| 7 6 ; 1 8 | = 50
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\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
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