Ideal for Pre-Algebra, Algebra 1 & 2, Trigonometry, Statistics, Business & Finance, Biology, and Physics. Permitted for use on SAT, PSAT/NMSQT, ACT, AP, IB and Praxis exams. Advanced statistics functions, including hypothesis testing and calculation of confidence intervals. Probability distributions. Complex numbers. Financial functions such as time-value-of-money, cash flow calculations and amortization. Advanced graphing features including multiple graph styles. Equation solver. Supports Z80 assembly language programming. Available memory: 24K RAM / 160K Flash ROM. Adjustable contrast 8-line by 16-character display, 64 x 96 pixels.