I have a problem with programming! I real like being a programmer but I have bad background! What can you help me on this?

The question states:

Create a program, allowing to display the graphs of functions, given tabular ( reading from file) and most simplest mathematical expressions. In process of execution to realize:

the format of file for keeping of tabular functions; window of work with tabular function with possibilities of reading/ writing the file, editing the tables.

the possibility of image of graphs of functions.

making the table of elementary functions.

I am using the C++ language. Please help me buddies. I real tried so hard to find help.

I have a little ideas on C++ it happened to me that this Program is difficult even i don't know where to start!