This one-line battery operated model performs basic scientific and trigonometric functions. 10-digit, 1-line display Performs basic scientific, trigonometric functions, logarithms, reciprocals, and factorials Constant memory retains results even when calculator is turned off One-variable statistics Slide-on hard case Suggested Subjects/Courses for TI-30Xa: General math, Pre-algebra, Algebra I and II, Trigonometry, Biology