Sharp EL-W516 WriteView Scientific Calculator Tested & Working

This Sharp EL-W516 WriteView Scientific Calculator is a reliable and versatile tool, perfect for students, engineers, and professionals alike. Its innovative WriteView display lets you enter and view mathematical expressions and equations exactly as they appear in textbooks, making it easier to follow along and reduce errors. Key Features: WriteView Display: Enter equations and see them displayed naturally, just like in a textbook. 556 Advanced Scientific Functions: Includes trigonometry, calculus (derivatives and integrals), statistics, complex numbers, and more. Large LCD Display: A 16-digit, 4-line display provides a clear and easy-to-read view of calculations. Twin Power Source: Operates on solar energy and a battery backup, for reliable performance. Durable Design: It features a sleek, gloss black finish with silver accents, and comes with a protective hard case for added durability. Multi-Line Playback: Easily scroll through and edit previous calculations. Programmable Keys: Four customizable keys allow quick access to frequently used functions. Equation Solver: This calculator can solve three simultaneous equations. Ideal for Various Subjects: Suitable for general math and science, pre-algebra, algebra I & II, geometry, precalculus, calculus, trigonometry, statistics, biology, chemistry, and physics.