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This one-line battery operated model performs basic scientific and trigonometric functions. It is ideal for general math, pre-algebra, algebra 1 and 2, trigonometry and biology. With the TI-30xa you can add, subtract, multiply, and divide fractions entered in traditional numerator/denominator format. You can also perform one-variable statistics, conversions, degrees/radians/grads, DMS/decimal/degrees, polar/rectangular conversion, as well as basic scientific and trigonometric functions.