Advanced Engineering Science Calculator with Protective Cover, 417 Functions, Digital LCD Display, fx-991ES Plus-2 (2nd edition) - Perfect for Students and Professionals (Black)

Powerful computing capabilities: A professional grade scientific calculator with 417 scientific functions. Easily handle 1 and 2 variable statistics, Additional complex calculations: In addition to some common functions, there are also trigonometric functions, exponential functions, logarithmic functions, etc， with detailed explanations provided, High quality material: The calculator has a sliding out protective hard shell that can be covered at the back when not in use to prevent scratches, bumps, and dust, Advantage: It is a perfect scientific calculator designed to display mathematical functions in a more promising and natural way, Widely applicable: Suitable for schools, offices, engineering, business and other fields