Apologies for the previous blank response - old age and too many windows=20 open. I have struggled to test the graphical method multiplying a 2 digit=20 number by a three digit - e.g 34 x 192. And how do you do e.g. 100 x 100? George Smith --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .