*ONLINE ONLY. Ship to store FREE! During checkout select ''Store Pick-up Pay Now'' as your delivery option. * Sharp EL-W516TBSL Scientific Calculator. 640 Functions - Dual Power, Sign Change, Independent Memory, Durable, Easy-to-read Display, Protective Hard Shell Cover, Battery Backup - 4 Line(s) - 16 Digits - LCD - Battery/Solar Powered - 6.6'' x 3.1'' x 0.6'' - Matte Black, Silver. Marketing Information: Advanced 4-line scientic calculator with WriteView display, allows calculations to be entered and displayed as written on paper. Ideal for students studying general math and science, pre-algebra, algebra I & II, geometry, precalculus, calculus, trigonometry, statistics, biology, chemistry, and physics.