I studied this back in early 1984. Six months after successfully completing the course, I was reviewing my text notes and didn't understand half of it. Thirty-five years later I'm afraid I even understand less of it . . .
Complex Infinity and Complex Infinite Numbers

It represents all real numbers, Dave.
infinity+infinity i-(infinity+infinity i) "represents" all feasible real and imaginary numbers.
What is infinity+i, infinity i+1, and infinity i+infinity?
i being the square root of -1 - the imaginary unit.