> well, > seems to be OS dependent: > > PHP_OS:Linux (Suse 9.x 32bit) | PHP_VERSION:5.0.3 > $t=1.255; > round($t,2):1.26 > $t += .00000001; > round($t,2):1.26 > ____ > > PHP_OS:WINNT (2000) | PHP_VERSION:5.2.4 > $t=1.255; > round($t,2):1.25 > > $t += .00000001; > round($t,2):1.26 > > -- > View this message in context: http://www.nabble.com/round%28%29-tf4602528.html#a13164737 > Sent from the PHP - General mailing list archive at Nabble.com. First, you may have to be aware of floating point precision on your platform. http://php.he.net/manual/en/language.types.float.php "The size of a float is platform-dependent" What is $t after $t += .00000001; ? Now I see why BCMath was mentioned. _________________________________________________________________ Windows Live Hotmail and Microsoft Office Outlook – together at last. Get it now. http://office.microsoft.com/en-us/outlook/HA102225181033.aspx?pid=CL100626971033