Helping students gain understanding and self-confidence in algebra.
leelguy wrote:I was looking into prime numbers and i keep coming upon pi(x). Specifically http://primes.utm.edu/howmany.shtml. It is obvious that they arent multiplying pi*x. So what are they doing?
leelguy wrote:I have looked at the prime counting function, however it doesnt seem to work. For instance if I wanted to find how many primes are less than 45,000 then I tried 45,000/ln(45,000) and that didnt come up with the right answer.
leelguy wrote:If you could explain how to find the number of primes below a number in terms that someone in trig could understand then that would be awesome.