Now THAT sounds like fun! When you say never touching another number, does that include zero? If so, 3 is going to take some work. I have been a mth student in the past. I can imagine that this might sound boring to most of you. Kind of like when I tried to solve Fermat's theorem... Jean-Louis Couturier [EMAIL PROTECTED] Robert Shaw [mailto:[EMAIL PROTECTED]] wrote: >When I was a student we spent one rainy afternoon working >out what numbers we could get from our calculators using >only the unitary buttons, starting fom 0 and never touching >another number afterwards. >It took a dozen maths students twenty minutes to work >out how to generate all the integers, then we went after >the rationals. >Robert
