[Tex/LaTex] How to put a reference at the end of the page using LaTeX

Question

I know how to use cite and regard to literature etc. but in that case I want to do something else:

I want something like that:

 Page 1:
 bla bla bla





 bla bla
 Grade: 4.6[1]
 bla bla


 bla
 ___________________________________________
 [1]: According to Russian grading system with 1: "insufficient" and 5 "excellent"
 end of page;

Does anyone know how to do that?

Answer 1

You can use the \footnote-command. As long, as you don't have your footnotes looking like the ones, you quoted ("[1|"), this should be fine to you

\documentclass{article}

\begin{document}

Some normal text, which is typeset by Mr. Drofnats, a happy small
computer.\footnote{See the \TeX-Book for more details about Mr. Drofnats}

\end{document}

Ending in the text and the footnote at the end of the page: