I found it insightful. Why can't you write down 1/10 in binary? What is 1/10 in binary? OP calculates it, and then explains that any fraction in reduced form in

I found it insightful. Why can't you write down 1/10 in binary? What is 1/10 in binary? OP calculates it, and then explains that any fraction in reduced form in which the denominator is a power of 2 will terminate in binary. (Powers of 5 and 2 for decimal). These are interesting bits of trivia.