Editor with Maths functions

I am current working with student portal website. I need editor(e.g. fckEditor) with mathematical formula functionality like MS Word. These functionality contains inbuilt maths functions which can be taken by selecting them and开发者_运维知识库 also can be edited them into editor widow according to requirement. Also new functions will be added if required frequently.

WIRIS makes a pluggin for fckeditor:

WIRIS plugin for FCKeditor

ASP.NET Demo:

Try some WYSIWYG editors here and may be here.