Mathematics
Joe Z.'s user avatar
Joe Z.'s user avatar
Joe Z.'s user avatar
Joe Z.
  • Member for 11 years, 9 months
  • Last seen this week
  • Toronto, Ontario
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All Questions Answers
Score Newest
answer
203
Find five positive integers whose reciprocals sum to $1$
Jan 30, 2013
question
81
What's a proof that the angles of a triangle add up to 180°?
Jan 3, 2013
answer
25
Is 'no solution' the same as 'undefined'?
Feb 12, 2013
question
22
What is the next perfect square of the form 14444... in decimal notation?
Apr 12, 2015
question
15
The Ellipse Problem - finding an ellipse inside a triangle
Feb 9, 2012
question
15
Why does the Cauchy distribution have no mean if it's symmetric around 0?
Feb 13, 2014
question
11
Can a disconnected set be simply connected?
Mar 27, 2014
question
10
Is there a function such that $f(f(n)) = 2^n$?
Jul 16, 2014
answer
10
A year having more than one Friday the 13th?
Jul 6, 2014
question
10
A question about "binary numbers in arbitrary bases"
Mar 19, 2013
Top Meta posts
0
1
3
Is there a certain policy with yes/no questions?
Top network posts
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1226
Build a working game of Tetris in Conway's Game of Life
618
Produce the number 2014 without any numbers in your source code
556
Build a digital clock in Conway's Game of Life
239
Print every character your program doesn't have
113
"My personal opinion is..." Is it always pointless to use the words "personal" and "personally"?

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