PHP rounds off my number

[LuckyTaxi]

For some reason it decided to round off my number when I dont want it to.

$total = 45.05
$tax = 2.55
$gross = 43.00

Damnit, I want it to display 42.50. How can I make it do so?

 

[tfinch2]

http://www.php.net/manual/en/function.number-format.php