I P1

Itot=0
sum(from -inf to inf)I=0
sum(from 0 to inf)I=inf
sum(from -inf to0)I=inf
sum(0to inf for n)I^n=sqr(inf) [?]
sum(0toinf for n)I(x)^n=inf
(sum(0toinf-y for n)Ix^n=inf -(y) where y is the difference between infinity and x
End part 1 STR