WECKEW Scientific Calculator 401 Function 2-line Display 10+2 Digits Solar and Battery with Slide-on Cover for Secondary School Black (991MS 2nd Edition)

Professional grade scientific calculator with 401 scientific functions. Easily handles 1 and 2 variable statistical calculations, three angle modes (degrees, radians, and grads), and scientific/engineering notation modes Input expressions and arithmetic operations is more easy to read than traditional calculators. The 2 line display shows both input and calculation results,convenient for students to check the calculation process and results. Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages. Meets the ergonomics design and offers a comfortable grip. Responsive buttons, clear numbers, and scratch-proof Solid sliding protective case covers either side of the calculator. Protects buttons and the device body