$$dY/dxof \log ( \log ( x ) )$$
$\log(e)Yfox\left(\ln(\ln(x))-\ln(\ln(10))\right)$
$\frac{\ln(e)Yfo\left(\ln(x)\ln(\ln(x))-\ln(\ln(10))\ln(x)+1\right)}{\ln(10)\ln(x)}$
