equation with label latex code example

Example 1: latex labels

ch:		chapter
sec:	section
subsec:	subsection
fig:	figure
tab:	table
eq:		equation
lst:	code listing
itm:	enumerated list item
alg:	algorithm
app:	appendix subsection

Example 2: latex label without proper reference

The \label should always be after \caption

Example 3: latex label without a proper referenc

The \label should always be after \caption %just under it inside the centering