10 Bit Function Machine, Portable Mathematical Computer, Accounting And Financial Timer, Comfortable Buttons, Fully Functional Features: Product Name: Calculator Color: black Material: Plastic Power supply：button battery Net weight: 0.1 pound (41g） Gross weight: 0.12 pound (53.7g） Product size: 4.7x2.6x0.4 in （11.7x6.6x1cm) Product packaging: 4.8x2.8x0.6 in (12.3x7x1.5cm） Product Description: High appearance design, accurate calculation of large screen readings with, clear display and easy to see clearly Comfortable buttons, durable, non fading and feel, with soft adhesive design at the bottom, stable and non slip Clear numbers for long-term use the screen adopts LCD display leading screen frame, clear identification of numbers Our basic office calculator has an independent calculation chip, which can quickly process multi-digit calculations and calculate accurately. Which improves the efficiency of work and study. Long life aircraft is powered by batteries for longer life, Fully functional available for examination loose calculation of various formulas, Equipped with a protective sleeve, computer case can be disassembled to avoidance Falling ash and wear Package Included: 1x Calculator