mt4-numpy-example - Example to call numpy function from dll with MT4. mt4-numpy-example Example to call numpy function from dll with MT4. Test Environment Windows 10 x64 Metatrader 4 Build 1031 Visual Studio 2010 Use x86 Python Use same os version of your MT4. Add Include path to 2 header files Python.h and numpy/arrayobject.h. It’ll be like C:\Python27\include;C:\Python27\lib\site-packages\numpy\