Check the listing for details. Pre-owned Texas Instruments TI-30XA Scientific Calculator. Condition: Used. Listed at 4.99 USD. Preowned Texas Instruments TI-30Xa scientific calculator. "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 displayFor general math, pre-algebra, algebra 1 and 2, trigonometry and biologyPerforms trigonometric functions, logarithms, roots, powers, reciprocals and factorialsAlso add, subtract, multiply and divide fractions1 variable statistics (mean/standard deviation)Conversions: fractions/decimals, degrees/radians/grads, DMS/decimal/degrees and polar/rectangularTexas Instruments scientific calculator is battery poweredIncludes slide case to keep the screen protectedThese calculators are accepted in most high schools and middle schoolsThe calculator is black with white, gray and black buttonsOverall measurements: 9.4” x 6.7” x 0.7”Quickly and accurately calculate complex equationsSuitable for young students and adults" -text courtesy of Wal-Mart.com