((+/) % #) &. ^. is the same as (+/ % #) &. ^. because adverb (/ in this case) binds with + before three verbs +/ , % and # are grouped into the fork. So som

((+/) % #) &. ^. is the same as (+/ % #) &. ^. because adverb (/ in this case) binds with + before three verbs +/ , % and # are grouped into the fork. So some parentheses aren't necessary. It would be cleaner to show three expressions which share the common part as similar in letters as well.