El-w516tbsl Scientific Calculator, 16-digit Lcd

Advanced 4-line scientific 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. This calculator performs 640 advanced scientific, math, and statistics functions. Includes a protective hard case and operates on twin-power (solar with battery backup).