Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:01Z
d/dn [n^4] = 4n^3
det| 1 4 ; 3 2 | = -10
384K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
det| 10 7 ; 3 11 | = 89
259K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
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\frac{2}{4} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
110K
det| 5 7 ; 5 6 | = -5
det| 7 4 ; 4 8 | = 40
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