Sharp El-531XBDW Scientific Calculator;

EL-531XBDW model is perfect for students studying general math and science, pre-algebra, algebra, geometry, trigonometry, statistics, biology, and chemistry. This calculator performs 272 scientific, math, and statistic functions. This calculator utilizes a 2-line display featuring an exponent symbol and Direct Algebraic Logic (D.A.L.), which allows users to enter the elements of an expression in the exact order that they appear when written. The EL-531XBDW has eight temporary memories, one independent memory, and one last answer memory. This calculator also allows equation editing and playback, 1 and 2 variable statistics, normal and stat modes, six regression types, and N-BASE calculations: HEX, BIN, DEC, OCT, PEN. Other functions include: logarithms, reciprocals, powers, roots, factorials, trigs, and hyperbolic trigs. Includes a protective hard case and operates on battery.