Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:20Z
d/dn [n^4] = 4n^3
∑_{k=1}^{n} k = n(n+1)/2
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
\lim_{r\to 0} \frac{\sin r}{r} = 1
259K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
305K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
\lim_{α\to 0} \frac{\sin α}{α} = 1
293K
\lim_{x\to 0} \frac{\sin x}{x} = 1
110K
det| 5 7 ; 5 6 | = -5
∑_{k=1}^{n} k = n(n+1)/2
300K
det| 9 4 ; 1 10 | = 86
354K