# Im following the cmake tutorial and i have some questions.

**URL:** <https://discourse.cmake.org/t/im-following-the-cmake-tutorial-and-i-have-some-questions/1559>\
**Category:** Code\
**Created:** [July 15, 2020, 4:58am UTC](https://discourse.cmake.org/t/im-following-the-cmake-tutorial-and-i-have-some-questions/1559 "2020-07-15T04:58:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Rundogie\_Rundogie](https://discourse.cmake.org/user_avatar/discourse.cmake.org/rundogie_rundogie/32/282_2.png) [@Rundogie\_Rundogie](https://discourse.cmake.org/u/Rundogie_Rundogie)\
**Post date:** [July 15, 2020, 4:58am UTC](https://discourse.cmake.org/t/im-following-the-cmake-tutorial-and-i-have-some-questions/1559/1 "2020-07-15T04:58:38Z")

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Im using Cmake in visual studio and i m stucked on step 2.  
How can i change MY\_MATH in visual studio environment?