Mathematics is the basis for successful decision making and problem solving independent of industry. Mathematical models help us analyze information and forecast results in different sector such as economics, finance, engineering, and medicine. This analysis helps governemnt and businesses understand the factors behind important decisions. The Department of Mathematics in King Abdulaziz University (KAU) offers undergraduate program leading to the degrees of Bachelor. This program is designed to expand and consolidate existing mathematics knowledge and to develop skills in mathematics. The diversity of undergraduate courses offered in the department of mathematics gives the student an opportunity to specialize in one of the several fields of pure and applied mathematics. Graduates of KAU's Bachelor of Mathematics will gain highly transferable skills in problem solving, data analysis, logistics and logic, probability and variability and mathematical modelling.