Equations in Powerpoint: Use LaTexIt to format equations in LaTeX inside your Powerpoint slides
Tables in LaTeX: Write your tables in Excel (awesome
tool), then transfer them to LaTeX using excel2latex
Merging PDF files: In order to combine two or more files into a unique pdf file
proceed as follows. Open Adobe Acrobat Professional and select
"file>create PDF>create PDF from multiple files." Then, browse to
select the files you would like to add. You can change the order of
the files on the left side by selecting move up and move down.
LaTex formatting guidelines:
excel2latex
to transform your Excel tables to LaTex tables (awesome tool).