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Mathematics
Cole Tobin's user avatar
Cole Tobin's user avatar
Cole Tobin's user avatar
Cole Tobin
  • Member for 12 years, 2 months
  • Last seen more than a month ago
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Hi, I'm Cole.

profile for Cole Johnson on Stack Exchange, a network of free, community-driven Q&A sites" title="profile for Cole Johnson on Stack Exchange, a network of free, community-driven Q&A sites

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Top posts
56
What exactly is infinity?
Dec 17, 2012
21
Proving square root of a square is the same as absolute value
Dec 14, 2012
18
How does $e^{\pi i}$ equal $-1$
Dec 7, 2012
6
The double factorial notation
Apr 10, 2014
5
Why aren't logarithms defined for negative $x$?
Apr 12, 2013
4
Does $\operatorname{arcsec}(x) = 1 /\arccos(x)$?
May 16, 2014
3
Why is $\frac{\sum_{n=1}^{\infty} n}{\sum_{n=1}^{\infty} n}$ indeterminate?
Jun 15, 2014
3
Is $83^{27} +1 $ a prime number?
Aug 3, 2013
1
Why does $2^{-n} = 5^n \times 10^{-n}$?
Jan 20, 2014
Top network posts
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274
<out T> vs <T> in Generics
152
How are strings passed in .NET?
71
What replaces cellpadding, cellspacing, valign, and align in HTML5 tables?
56
Let us view our deleted comments
54
Is initializing a char[] with a string literal bad practice?