CKeditor +Equation Editor in MyBB 1.8

How to install CKeditor with plugin Equation Editor into MyBB 1.8. Thanks!

I'd look at http://ckeditor.com/forums/CKEditor/MyBB-CKEditor-Plugin

From there you simply add Equation Editor plugin to installed CKEditor package in the normal way: http://www.codecogs.com/latex/integration/ckeditor_v4/install.php