deletions | additions       diff --git a/stuff.tex b/stuff.tex  index f0fc621..3f3f8b6 100644  --- a/stuff.tex  +++ b/stuff.tex 
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end loop  \end{verbatim}  We have however re-written it using for-syntax:  \begin{verbatim}  for p in 2..sqrt(n) loop  if prime[p] then  for ( m = p * p; m <= n; m += p ) {  prime[m] = false;  }  end if  end loop  \end{verbatim}  \section{Solving the sums, mathematical correct estimate}  \subsection{Laws and forumulas of summation}