Sandbox

$HDIFLOA{T}_{\gamma }=\frac{LifeExpIn{d}_{\gamma }+LitInd+GDPInd}{3}$

where

$LifeExpInd=\frac{LIFEX{P}_{\gamma }-LIFEXPMIN}{HDILIFEMAXFLOAT-LIFEXPMIN}$

$LitInd=LI{T}_{\gamma }/100$

<math>GDPInd=\frac{Log(GDPPCP_{\gamma}*1000)-Log(100)}{Log(GDPPCPMAX)-Log(100)}