The Texas Instruments TI-30XIIS Fundamental scientific calculator is a handheld device designed for basic and scientific calculations. Featuring a regular size LCD display with backlight, this black calculator from Texas Instruments is dual powered by solar and battery sources. With key sizes that are comfortable for everyday use, this SAT/AP/ACT permitted calculator also offers a protective cover, making it. The TI-30XIIS model is known for its reliability and user-friendly design, making it a popular choice among professionals and students alike. This fundamental two-line display calculator for high school math and science is compatible for use in General Math, Pre-algebra, Algebra 1, Algebra 2, Trigonometry, Geometry, Stastics and General Science.