121 reputation
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bio website alkhoo.carbonmade.com
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visits member for 1 year, 6 months
seen May 3 at 2:28
stats profile views 26

Consultant, with over 20 yrs in the IT industry. Enjoys coding with open source and slapping up algorithm for numerical analysis.

First to integrate Facebook, Dropbox and Google App Engine (see: apps.facebook.com/fileglu).


May
3
comment Why is $\;n^2-\frac{n^2}{2} =\frac{n^2}{2}\;$?
Visually, take a piece of paper of size n by n, total area is n^2. Now fold it to half and remove it. What's the total area?
Nov
23
awarded  Teacher
Nov
17
comment Is every positive nonprime number at equal distance between two prime numbers?
[2,5] is 3 spaces apart.
Nov
17
revised Is every positive nonprime number at equal distance between two prime numbers?
added 6 characters in body
Nov
17
comment Is every positive nonprime number at equal distance between two prime numbers?
Copy + paste error, thanks for noticing my mistake. Re-edit time.
Nov
17
awarded  Editor
Nov
17
revised Is every positive nonprime number at equal distance between two prime numbers?
added 70 characters in body
Nov
17
awarded  Supporter
Nov
17
answered Is every positive nonprime number at equal distance between two prime numbers?
Nov
4
answered Attitude towards exercises in mathematics