0^0=1,is right without a doubt, "by definition", in some specifical territory.
正如#12所说的一样，"0^0 can anything I want it to be." ,but we have to define or look for a specifical rule, and we'd better choose a suitable value. For example, let 0^0=x, x^b=(0^0)^b=0^(0^b)=0^0=x, where b is arbitrary...