Permitted for use on SAT, PSAT/NMSQT, ACT, AP, IB and Praxis exams Offers large 64 x 96 pixel, 8 x 16 display; 24KB of RAM; and 160KB Flash ROM memory Also graphs 3 recursively-defined sequences; TVM, cash flows, amortization, and complex numbers Enhanced data analysis (logistic and sine regressions); offers I/O port with unit-to-unit link cable Powered by 4 AAA batteries (included) and a lithium battery backup to protect RAM memory