I'm getting the following rendering of my \int command inside equation environment

This is in my opinion really ugly! I want the usual one back!

enter image description here

Do you have any idea about what happened to my latex environment?

closed as too localized by Frank Mittelbach, Kurt, percusse, lockstep, yo' Nov 19 '12 at 21:44

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    I swear I didn't do it. In other words, is there any possibility for us to know what happened on your computer? Probably you have used a package that changes the math fonts. Remove the packages one by one and you'll find it. – percusse Nov 19 '12 at 20:41
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    It looks like you've loaded the MnSymbol package. Don't. – egreg Nov 19 '12 at 20:41
  • Oh thanks guys! I exactly load the MnSymbol package, but I didn't find it, because I put it in a weird place in my document. The mystery is solved! Write down an answer and I'll accept it – Abramodj Nov 19 '12 at 20:58
  • This question has surely helped future visitors and should not be closed. – Frenzy Li Jan 11 at 10:44

That integral symbol shape is peculiar of the MnSymbol math fonts, which were designed to accompany Minion. I too find it not particularly appealing, but it's a matter of opinion.

Quite probably you have


in your document. Somebody, from time to time, suggests to load the package (and the MnSymbol fonts) because it provides many symbols that are not found in standard packages such as amssymb. This is wrong, in my opinion, because it changes all math symbols with its own and they generally don't match the main text font.

For using one or more of the provided symbols, see Importing a Single Symbol From a Different Font or Importing single symbol from MnSymbol

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