The I Ching is the oldest of the Chinese classic texts. A symbol system designed to identify order in what seem like chance events, it describes an ancient system of cosmology and philosophy that is at the heart of Chinese cultural beliefs.
Speaking of this program, I-Ching is oriented to those people, who already had experienced with I-Ching's (book) practices. But it's also good for learning those practices - help file contains all information required for beginners.