The TI 30 ECO RS Calculator This model is a solid solution for general math, algebra, trigonometry, and statistics. Ten-digit display; Fraction features - Adds, subtracts, multiplies, and divides fractions entered in traditional numerator/denominator format. One-variable statistics; Conversions - Fractions/Decimals, Degrees/Radians/Grads, DMS/Decimal/Degrees, Polar/rectangular conversion; Basic scientific and trigonometric functions.
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