rounding numbers

hey guys in my database of my catalogue i have a table called order details.

in there there is orderis tax1 tax2 grand total

now when i echo the query to print it shows all the decimals

12.3336

how can i get it down to 12.33?thx

http://www.php.net/round

done thx

echo round($row3['Taxe2'], 2);