The Citizen SDC868L with Calculator is a scientific calculator with 8-digit LCD display and 10-digit memory. It features advanced functions, including trigonometric functions, hyperbolic functions, percent key, fraction calculations, RPN and algebraic calculations, and a base conversions (hexadecimal, octal, and binary). This calculator can provide solutions to complex equations, including basic and complex calculus problems. It has a hard plastic casing that is both durable and stylish. The calculator also includes a battery life of approximately 6 months. This makes it ideal for use in a professional setting and as a reliable aid for students.