Math Equation Editor open source vb.net

Math Equation Editor: The main purpose of the project is helping us to write math questions in easy way to exported later to Microsoft word document. We need a math editor to create or edit a math equation or text in both English and Arabic language that means the editor have two writing direction (English LeftToRight, Arabic RightToLeft). Math Equation Editor features: 1. The project should be a windows application in visual [login to view URL] 2013 or later. 2. The programmer should provide us the source code of the whole project. 3. Enable to Add and Edit math Equation or text. 4. Enable to write in English LeftToRight direction. 5. Enable to write in Arabic RightToLeft direction. 6. Use standard LaTex symbols. 7. The editor should be multi line. 8. Enable to save\export the Math equations in a document in Tex/LaTex text (NOT Image). 9. Enable to edit the Math equation LaTex text in Microsoft word document. 10. Enable to change the font size, name and color. 11. Enable to explore the available symbols and insert them with a click and typing into their empty slots. 12. Enable to select, highlight and edit any slot (focus and Red Border). 13. The project may not contain all symbols, so we need to add any additional symbols in the future in easy way. 14. The math editor should be like this [login to view URL] or [login to view URL] , but we need windows application.