Tables are defined with the tabular environment. It has an
argument that specifies the number of columns and their
formatting. In the simplest case it contains a letter for each
column, specifying the alignment as
A table with 3 columns, first one centered, the other two right-aligned:
The body of the table is given by a line of rows, seperated by \\.
Each row contains an item for each column, separated by &.
The simple table above, defining the alignment letters, was produced with:
l & left-aligned \\
r & right-aligned \\
c & centered