$\begin{array}{cll}
x & \log x & \log' x \\
\LOGfunction{1}{\logx}{\Dlogx}
1 &\logx & \Dlogx\\
\LOGfunction{2}{\logx}{\Dlogx}
2 &\logx & \Dlogx\\
\LOGfunction{3}{\logx}{\Dlogx}
3 &\logx & \Dlogx\\
\LOGfunction{4}{\logx}{\Dlogx}
4 &\logx & \Dlogx\\
\LOGfunction{5}{\logx}{\Dlogx}
5 &\logx & \Dlogx\\
\LOGfunction{6}{\logx}{\Dlogx}
6 &\logx & \Dlogx
\end{array}$