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This site promotes interests in Mathematics, especially the recreational aspects. Some proposed topics are:

Mental Arithmetic: how to calculate without a calculator

1. Calculate squares (1122 = 12544).

2. Product of complementary numbers (38*62 = 2356).

3. Product of partially complementary numbers (238*262 = 62356).

4. Aitken's lightning division (45/29 = 1.551724137931).

General

1. Mine Sweeping Game
2. prime numbers, including a vb.net source programme.
3. Arbitrary precision arithmetic that calculates up to thousands of digits. Operations available include the four functions, square root, modulo, HCF and LCM.
4. Pythagoras TheoremWhat it is and how we find ALL the triplets of a given whole number.
5. e, i and πWhat do these numbers have in common?
6. Magic SumA trick I learned in the street
7. Sudoku: the puzzle that kept millions of people busy in England, Japan, and many other contries.
8. tetrahedron volume: How to find the volume of a regular tetrahedron
9. Magic squares.

Calendars and many other interesting topics coming soon.

This site is evolving. Please revisit us for more information. Bookmark this page for your next visit.

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