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seen Dec 6 '12 at 6:37

Aug
10
awarded  Yearling
Dec
1
awarded  Quorum
Nov
26
awarded  Investor
Nov
24
revised Is the statement $A \in A$ true or false?
dsdsdsdsddssddsdsd
Nov
24
suggested suggested edit on Is the statement $A \in A$ true or false?
Nov
22
comment How to explain that division by $0$ yields infinity to a 2nd grader
Division by zero is defined in many context, dont listen to these narrow minds.
Nov
20
awarded  Citizen Patrol
Nov
19
comment Find the last number in the given sequence
How is that second matrix related to the problem?
Nov
17
awarded  Critic
Nov
17
awarded  Organizer
Nov
17
revised What is the logical pattern in these pictures?
dgfdfffffffffffffffffffffffffffffhh
Nov
17
suggested suggested edit on What is the logical pattern in these pictures?
Nov
17
awarded  Fanatic
Nov
16
awarded  Supporter
Nov
7
comment Is there an algorithm to determine whether a series converges?
This only rules out currently practical algorithms.
Nov
3
comment A question about random walk in 1 dimension
No, it cant be n, that only happends if all the steps are in the same direction.
Nov
3
revised A question about random walk in 1 dimension
added 151 characters in body
Nov
3
awarded  Commentator
Nov
3
comment A question about random walk in 1 dimension
No, expected distance=expected value of (the absolute value of position).
Nov
3
comment A question about random walk in 1 dimension
No, expected position can be negative, but expectated distance is always non-negative.