TI-30XA Scientific Calculator

No.1 brand used by students. Built to last. A solid solution for General Math, Algebra, Trigonometry, and Statistics. Adds, subtracts, multiplies, and divides fractions entered in traditional numerator/denominator format. Performs trigonometric functions, logarithms, roots, powers, reciprocals, and factorials. Polar/rectangular conversions. One-variable statistics include results for mean and standard deviation. Battery powered. Slide case included.