To Predict of a person two parts are followed. First part is Mathematical or calculative , horoscope are generated using this process. Many reliable softwares are there to make it accurate & easy. Second part is prediction, which can be done only by the intuition of the astrologer. Astrological slokas or sutras r the deeds of the transcendental knowledge of the ancient seer. Only a scholar astrologer may perceived the real meaning of them. Perception may be vary from person to person. Hence, generating prediction by software is noting but a daydream.