seating for 114. The facility is used as a lecture hall and for other special programs. It is also used in conjunction with academic courses in astronomy and for public shows. The 86,000-sq-ft (8,000 m) Mathematics-Computer Science Building, completed in 1996, houses the Department of Mathematics and the Department of Computer Science, as well as facilities to support the university's mainframe computing services. Other recent additions include expansion of the Cavness Science Building, construction of the new Texan Hall residences, and adding another floor to the Porter Henderson Library to accommodate the Communications, Drama, and Journalism Department and Honors Program. The Management Instruction and Research Center is a ranch on O.C. Fisher Lake property, which Angelo State has under long-term lease from the US Corps of Engineers. These facilities support the programs in animal science and biology and a wide range of management and research activities. Safety and security Sixteen emergency call boxes are strategically spread across campus. In the case of an emergency and the need for immediate assistance, all calls are routed directly to the Angelo State Police Department. In addition Angelo State has a "Lifeline App" for IPhone or Android made available free of charge. It can be used for distress calls or with use of a hands-free timer that will send for help if not deactivated. GPS location can be used to instantly send ASU Police to that location. The Angelo State University Police Department employs 14 full-time police officers, all certified state peace officers, with the same qualifications and powers that municipal police departments deploy. They patrol the campus 24 hours/day, 365 days/year. The ASU alert system sends out messages to all campus emails and cell phones registered through the system in the case of any campus or regional emergency. Student life In accordance with its mission as a residential campus, over 100 student organizations play an important role in the social scene at Angelo State. Some of these include national Greek fraternities and sororities, such as Lambda Chi Alpha, Kappa Sigma, Alpha Sigma Phi, Pi Kappa Alpha, Alpha Phi Omega, Kappa Delta Rho, Delta Sigma Pi, Delta Zeta, and Sigma Kappa, as well as numerous academic and professional organizations, boards and councils, honor societies, religious organizations, special interest organizations, and intramural sports. The Houston Harte University Center serves students' recreational and community needs. For student recreation, it offers multiple pool, ping pong, and air