Texas Instruments Solar Scientific Calculator w/ 2-Line Display (8) This 2-line scrolling display scientific calculator combines statistics and advanced scientific functions and is a durable and affordable calculator for the classroom. The 2-Line display helps students explore math and science concepts in the classroom. It also lets you review previous entries. Menus allow you to select settings appropriate for your needs. The Fraction feature allows for operations with fractions and mixed numbers. Enter/delete/insert/edit individual statistical data elements. It also does conversions like Fraction/Decimal, Degrees/Radians /Grads, and DMS/Decimal/Degrees, not to mention basic scientific and trigonometric functions.