Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:25Z
d/dn [n^4] = 4n^3
∫₀^∞ e^(-t²) dt = √π / 2
384K
∑_{k=1}^{n} k = n(n+1)/2
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
iħ ∂ψ/∂t = Ĥψ
det| 7 4 ; 4 8 | = 40
305K
det| 11 5 ; 0 12 | = 132
57K