>I have just got a whole heap of data that I would like to graph. >(data from accelerometers read in by parallel ADC, stored in dataflash and >all managed by a PIC) > >anyway this goes a little beyond excels capabilities and I was wondering if >anybody had some lightweight freeware type software they would recommend. Take a look at Scilab. www.scilab.org Freeware, basically extremely similar to Matlab. Not only will it graph, but you can do some fairly beefy manipulation of the data, too, if you want to. Mike H. _________________________________________________________________ Take advantage of our best MSN Dial-up offer of the year six months @$9.95/month. Sign up now! http://join.msn.com/?page=dept/dialup -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.