Texas Instruments TI-30XA Student Scientific Calculator makes it easier to perform operations for math and science classes. It features a large, easy-to-read LCD screen. This Texas Instruments scientific calculator for students has a slide cover that protects the buttons and screen from damage caused by drops and impacts. It's suitable for use in most high school and middle school classes. This 10-digit scientific calculator performs trigonometry functions, factors and variables. Students and adults alike can use this calculator and it can be easily carried in a backpack, briefcase or purse for use whenever needed. Texas Instruments TI-30XA Student Scientific Calculator: 10-digit display For general math, pre-algebra, algebra 1 and 2, trigonometry and biology Performs trigonometric functions, logarithms, roots, powers, reciprocals and factorials Also add, subtract, multiply and divide fractions 1 variable statistics (mean/standard deviation) Conversions: fractions/decimals, degrees/radians/grads, DMS/decimal/degrees and polar/rectangular Texas Instruments scientific calculator is battery powered Includes slide case to keep the screen protected These calculators are accepted in most high schools and middle schools The calculator is black with white, gray and black buttons Overall measurements: 9.4” x 6.7” x 0.7” Quickly and accurately calculate complex equations Suitable for young students and adults