Yes I have more than enough of space (only used up 40% of the space, this is really a simple application) to do things but not the time. Regards, Xiaofan -----Original Message----- From: David P Harris Sent: Friday, June 24, 2005 9:56 AM Yes, you can almost always substitute memory for speed, so if you have room for a table that would work, then you just step through it. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist