4-Line display 3-digit punctuation N-BASE and fraction calculations Definable memories Multiplication table Sharp Electronics EL-W535XBSL Scientific Calculator Sharp Electronics' Commitment to Innovation Sharp Electronics strives to help you create a balance between work and personal time. Our products enhance life at work, at home, and everywhere in between. Sharp is dedicated to improving lives through the use of advanced technology and a commitment to innovation, quality, value and design. Superior Functionality The EL-W535XBSL is a fully-functional, high quality scientific calculator that performs over 330 advanced scientific and mathematical functions. It features WriteView Technology that allows students to view formulas in the exact order they appear in their textbook. It also utilizes a large, easy to read a 4-line display and a Playback feature so you can edit formulas easily. For quick use of your desired functions, there are four programmable keys. Plus, the equation solver gives you the ability to solve three equations simultaneously! The EL-W535XBSL makes solving difficult scientific equations a piece of cake! Perfect for Students Advanced technology and engineering gives you the pin-point accuracy you expect from Sharp Electronics. It is ideal for students studying general math, algebra, geometry, trigonometry, statistics, biology, chemistry, and general science. Features 335 scientific Functions - Statistical, trigonometric, and other functions Large Display – Extra-large 4-line, 16-digit LCD display WriteView Technology - Formulas displayed as written in textbooks Modes - Normal, Drill, Stat Playback - To edit and make changes to formulas easily Four Programmable Keys - For quick use of user desired functions EL-501XBWH EL-501XBGR EL-531XBWH EL-531XBGR EL-520XBWH EL-W535XBSL EL-506XBWH EL-W516XBSL