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user37237's user avatar
user37237's user avatar
user37237's user avatar
user37237
  • Member for 7 years, 2 months
  • Last seen more than 3 years ago
  • Germany
5 votes
2 answers
1k views

An application of the Cauchy criterion for undergraduates?

4 votes
1 answer
304 views

Tricks to draw a typical triangle?

-4 votes
7 answers
583 views

How to correct a wrong mental picture of the limit?

-4 votes
1 answer
250 views

When should the limit be introduced?

-5 votes
4 answers
575 views

How to write an individual real number? [closed]