Calculator For Science, Math, Algebra, Trigonometry, Statistics / 2-Line Display / 5 Memories Enter/delete/insert/edit individual statistical Data elements Trig functions in degrees and radians Fractions and Fraction/Decimal conversions Degrees, Minutes, Seconds (for time calculations) Decimal degree conversions Common natural logarithms Reciprocals and Factorials Universal Powers and Roots Polar/Rectangular conversions Menus User-friendly keyboard with durable, plastic keys Protective calculator shield