Psychologists define a cult as a group which deviates from cultural norms.
The four basic operations of math, when applied in the following manner to any religious group, will aid Christians in detecting theological errors which characterize a cult. Adding To The Word Of God Christians regard the Bible as the sole final authority in God's revelation to mankind and its meaning clear. While most cults will regard the Bible as the Word of God, a major pattern in these sects is their addition to the Word of God. Jehovah's Witnesses claim that one cannot understand the Bible without their publications. The Mormons further regard their Book of Mormon, Doctrine and Covenants, and The Pearl of Great Price as more reliable Scriptures than the Bible.