plot 3d functions in visual basic

The following Visual Basic project contains the source code and Visual Basic examples used for plot 3d functions. Choose a function z=f(x,y) and see the graph (parser included)
The source code and files included in this project are listed in the project files section, please make sure whether the listed source code meet your needs there.

Project Files: 

File NameSize
Form1.frm 27091
Parser.bas 10018
Project1.vbp 689
Project1.vbw 79