The I-Ching principles have long been the source of wisdom and inspiration, in China. More than five thousand years the I-Ching divination principles or I-Ching astrology rules have been used to make decisions or to predict the future. If you have some idea about I-Ching or I-Ching astrology, you must be aware how important the hexagram number or the hexagram name is. It is believed in I-Ching astrology that the hexagram number or the hexagram name has an important role to play in bringing peace, prosperity and success to your life. I Ching hexagram number can be used for a compatibility test between partners. You can do an I Ching compatibility test and check the IChing compatibility between you and your partner.