Add new comment


In the section on "Counting Combinations" you have this:

1/52 x 1/51 x 1/53.

When it should be this:

1/52 x 1/51 x 1/50.

Filtered HTML

  • Web page addresses and email addresses turn into links automatically.
  • Allowed HTML tags: <a href hreflang> <em> <strong> <cite> <code> <ul type> <ol start type> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.
  • Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.