Its FAQ at http://www.piclist.com/faq under routines, math, basic math, in the multiply section. --- James Newton (PICList Admin #3) mailto:jamesnewton@piclist.com 1-619-652-0593 PIC/PICList FAQ: http://www.piclist.com or .org -----Original Message----- From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Martin Schdfer Sent: Thursday, April 06, 2000 02:08 To: PICLIST@MITVMA.MIT.EDU Subject: Optimized math routines I'm looking for some optimized math routines (especially 8x8 unsigned multiply). The adapted routine from AN526 takes between 75 and 147 cycles. I heard that there are routines that are running in max. 60 cycles. Advices ?? Thanx Martin