This 10-digit, battery power scientific calculator is acceptable for use on the 1996 Mathematics Level 11C Achievement Test and on the 1996 AP Calculus AB and BC examinations. It is primarily used in teaching science, statistics and math. 63 functions for algebra, trigonometry, statistics, chemistry and science. Black case with hard shell sliding cover. 5 mode indicators (Stat, M, Deg, Rad, Grad). Common and natural logs, anti-logs, reciprocals, powers, roots, factorials and trig including inverse in degrees. Statistics functions, mean, standard deviation [Texas Instruments]