Aviva Directory
Sports & Recreation |
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| Ten Facts about Square Numbers |
| Square numbers. 12 = 1, 22 = 4, 32 = 9, 42 = 16, 52 = 25, 62 = 36 … They are one of the most basic classes of numbers. Many people consider a geometric square to be a perfect shape with the most pleasing type of symmetry, which brings us to the reason numbers of the form n2 are called squares. |
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| Sports & Recreation |
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| Geocaching |
| For one day every April treasure hunters put aside their competitive instincts and join together to mark International Cache in Trash Out day. Participants in the game of Geocaching join in a global effort to clean up parks, woods and beaches. |
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| Sports & Recreation |
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| Ten Unusual Prime Numbers |
| Prime numbers are integers that have no divisors except themselves and one. The sequence of primes begins 2, 3, 5, 7, 11, 13, 17, … and there are infinitely many. Below are ten examples of prime numbers that have unusual properties that you will not learn about in school. |
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| Computers & Internet |
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| The Entrepreneur’s Guide to Web 2.0: Top 25 Apps to Grow your Business |
| In this guide we cover the 25 best web2.0 applications for entrepreneurs who are looking for simple, cheap, and effective solutions to solving some of the tasks facing their small business or startup. The 25 applications selected were chosen both on the basis of their usefulness. |
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