Mathematics
Daniel Fischer's user avatar
Daniel Fischer's user avatar
Daniel Fischer's user avatar
Daniel Fischer
  • Member for 10 years, 5 months
  • Last seen more than 2 years ago
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About

A long time ago, I studied mathematics. I used to know three or four things about complex analysis, topological vector spaces, and point set topology. But I've forgotten at least five of them.

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All Questions Answers
Score Newest
answer
198
Why does the google calculator give $\tan 90^{\circ} = 1.6331779e^{+16}$?
Oct 22, 2013
answer
142
An inequality: $1+\frac1{2^2}+\frac1{3^2}+\dotsb+\frac1{n^2}\lt\frac53$
Dec 31, 2013
answer
125
What is the smallest unknown natural number?
Jun 7, 2015
answer
62
Reflection across a line?
Oct 13, 2013
answer
55
Is it possible to solve this equation by hand?
Feb 28, 2014
answer
50
Mean value theorem for holomorphic functions
Dec 6, 2013
answer
49
Why is $(\sqrt{2}+\sqrt{3})^{2008}$ so close to an integer?
Jun 9, 2014
answer
48
Why is the matrix norm $||A||_1$ maximum absolute column sum of the matrix?
Oct 8, 2013
answer
44
Proof that one large number is larger than another large number
Nov 1, 2013
answer
44
Example of a sequence with more than one limit.
Apr 16, 2014
Top Meta posts
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114
How are we protecting our heads this year? With Hats!
61
I have been banned from asking questions, what should I do?
52
Why was this on-topic question unilaterally closed and migrated by a moderator?
51
Is it allowed and encouraged to post non-answer joke to low-quality questions?
46
is it rude to skip most edits?
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4661
Why is processing a sorted array faster than processing an unsorted array?
232
Calculating and printing the nth prime number
106
Why can't (or doesn't) the compiler optimize a predictable addition loop into a multiplication?
104
How can I compile without warnings being treated as errors?
99
Why are difference lists more efficient than regular concatenation in Haskell?

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