The TI-30XIIS™ is a fundamental, two-line calculator that combines statistics and advanced scientific functions for high school math and science. The two-line display shows the entry and calculated result simultaneously for easy understanding of the calculation. In addition, the TI-30XIIS™ scientific calculator is approved for use on SAT®, ACT® and AP® exams. The solar and battery-powered TI-30XIIS™ is Ideal for general math, pre-algebra, algebra I and II, geometry, statistics and general science.