Texas Instruments TI-30X IIS Scientific Calculator, 10-Digit LCDMenu for selection of settings appropriate to classroom and study needs, combining statistics and advanced scientific functions. Helps students explore math and science concepts. Shows entries on the top line and results on the bottom line. Entry line scrolling feature. Allows review of previous entries to look for patterns. Ideal for general math, algebra 1 and 2, geometry, trigonometry, statistics and science. Power Source(s): Battery; Solar; Display Notation: Engineering; Numeric; Number of Display Digits: 10; Display Characters x Display Lines: 10 x 2.