Knowlege is power. Everybody needs to enhance their knowledge. From Vedic times, Goddes Saraswati is regarded as the giver of wisdom. She is also referred to as Vak devi(goddess of speech) and Sakala kaladhishtatri(goddesss bestowing all the art forms). The Sarswati Yantra, with ardent devotion can definitely enhance the knowledge of the devotee.