ShareMyScreen/ProjectEuler/0006

Find the difference between the sum of the squares of the first one hundred natural numbers and the square of the sum.

NB. square of their sums (as a capped fork)
NB. │        difference of
NB. │        │  sum of their squares (as a capped fork)
NB. │        │  │          1 through 100
   ([: *: +/ - ([: +/ *:)) >:i.1e2