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  1. E

    opening ports

    There are ways to find out which ports are open; but is there a way to force open a port? say for example, i want to open port 19 (Character Generator), is it possible? If not, how do you go about finding out how to open certain ports? thanks.
  2. E

    source of CSSA papers?

    Just wondering if there is another website apart from Dr. Buchanan's 4u page that has a list of the CSSA papers. I don't like the re-typed setting, preferring the original spacing of the exams, even though the re-typed setting is much more neater and all... thanks.
  3. E

    Chem or Bio?

    This is probably aimed more at year 12s, but open for anyone to add comments :) If you had to choose between Biology and Chemistry, which would you drop and why? I know that the choice should be a personal one, i.e. person dependent, but i'm looking for other people's opinions having been...
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    What is the most elegant theorem/proof?

    There has been nothing about it in this forum, even though it is titled "Appreciating the Beauty and Elegance". So here goes. Mine is a toss up between proofs of irrationality of sqrt(2) and the infinite number of primes via Euclid.
  5. E

    3n+1

    pick a positive integer. 1. if it is even, divide by 2 2. if it is odd, multiply by 3 and add 1 3. repeat steps 1 and 2. eventually, you will reach the value 1, in which case you go into the loop 4, 2, 1. for example, starting at 3, you get 10, then 5, 16, 8, 4, 2, 1. starting at...
  6. E

    bored?

    simplify (x+a)(x-b)(x+c)(x-d)...(x-z). "Life has real and imaginary parts. Therefore, life is complex."
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