# latex noindent

How to set noindent for all paragraphs?

For all paragraphs just put after \begin{document} the command
\setlength{\parindent}{0em}

For one paragrah just put a \noindent before the paragraph starts.

# latex book font size 14 pt

How to get font size 14 pt by using book as documentclass?

If you are using the default size i.e. 10 pt, the command \Large will change the size up to 14 pt.

\documentclass{book}
\begin{document}
\Large
some text
\end{document}


This also will work, if you set normalsize to 11 pt:

\documentclass[11pt]{book}
\begin{document}
\Large
some text
\end{document}


But if you set normalsize to 12 pt then use the command \large:

\documentclass[12pt]{book}
\begin{document}
\large
some text
\end{document}


# latex font size 20pt

How to get a document with font size 20pt?

If your using one of the default documentclass e.g. article with default font size 10 pt then just use the command \huge and size will be increase to 20 pt.

\documentclass{article}
\begin{document}
\huge
text text ...
\end{document}