In some documents it's necessary to put annotations at the bottom of the page. This article explains how to add footnotes
Adding a footnote to your document is straightforward
I'm writing something here to test \footnote{footnotes working fine}
several features.
The command \footnote{footnotes working fine}
adds a superscript to the word right before the command and prints the corresponding footnote.
The superscript mark to reference a footnote can be manually set. See the example below:
I'm writing something here to test \footnote[10]{footnotes working fine}
several features. You can write the footnote text\footnotemark in its
own line.
\footnotetext{Second footnote}
There are three new commands here:
\footnote[10]{footnotes working fine}
\footnotemark
\footnotetext{Second footnote}
\footnotemark
.We can add several references to a single footnote mark
I'm writing something here to test \footnote{footnotes working fine}
several features. You can write the footnote text\footnotemark in its
own line.
\footnotetext{Second footnote}
For instance\footnotemark I can use the same footnote more than
once\footnotemark[\value{footnote}].
\footnotetext{footnote with two references}
The command \footnotemark[\value{footnote}]
inserts a superscript corresponding to the current value of the counter footnote.
You can change the type of numbers printed by the footnote counter
\footnotetext{footnote with two references}
\renewcommand{\thefootnote}{\roman{footnote}}
Now a footnote in Roman\footnote{This footnote is in Roman numerals}
The command \renewcommand{\thefootnote}{\roman{footnote}}
sets the number styles to lowercase roman. Other possible styles are:
arabic
Arabic numerals.Roman
Upper case Roman numerals.alph
Alphabetic lower case.Alph
Alphabetic upper case.fnsymbol
A set of 9 special symbols.You can use this command in the preamble to change the numbering style of the footnotes in the whole document.
For more information see: