Sharp Electronics EL520XTBBK Scientific Calculator, 10-Digit with 2-Line LCD Display

The EL520XTBBK is a fully-functional, high quality scientific calculator that performs over 420 advanced scientific and mathematic functions. It features a Direct Algebraic Logic function that allows students to enter the elements of an expression in the exact order they appear in the textbook. It also utilizes a large, easy to read a 2-line display and Multi-Line Playback to make difficult scientific equations easier to solve. It is ideal for students studying general math, algebra, geometry, trigonometry and calculus. In addition, it can be used for statistics, chemistry and physics.