On 17 March 2006 11:15, - Edwin - wrote: > A 15-inch monitor at 800x600 will have around 53ppi x 40ppi > (800 pixels divided by 15 inches, etc.) and *the same* monitor > at 1024x768 will have around 68ppi x 51ppi. Er, no. The 15inches is a diagonal measure, so the screen is actually about 12"x9", giving 67ppi in both directions. Cheers! Mike --------------------------------------------------------------------- Mike Ford, Electronic Information Services Adviser, Learning Support Services, Learning & Information Services, JG125, James Graham Building, Leeds Metropolitan University, Headingley Campus, LEEDS, LS6 3QS, United Kingdom Email: m.ford@xxxxxxxxxxxxxx Tel: +44 113 283 2600 extn 4730 Fax: +44 113 283 3211 To view the terms under which this email is distributed, please go to http://disclaimer.leedsmet.ac.uk/email.htm -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php