Comix brand, founded in 1991, specializes in research, development, and production of School supplies. With superior quality, innovative design, and professional service, our category covers office supplies such as binders, folders, paper products, desk accessories, writing tools, electronic office supplies, etc. Based on the principle of being user-oriented, we research and develop innovative office and school supplies continuously. Our products cover school and office supplies such as binders, folders, paper products, desk accessories, writing tools, electronic office supplies, conference supplies, etc. Comix highly concentrates on quality control. The principle of being user-oriented is the core of the company's culture. Comix highly concentrate on research and development to provide you with premium, personalized, and professional Office/School Supply solutions. 12 Digit LCD Display is perfect for desktop use either at home or in the office. Enhanced Large Display Screen: Specially modulated pigment for the display screen which improves the clarity of the display screen greatly. Operates with Dual Power – Solar and Battery backup. The Solar design make the calculator can work in daytime or even in the dim light without battery. Large and clear display makes it easier to see. 30° tilt design is more convenient for people to see. PC Touch Keys with Ergonomic design, wide keyboard with big button feel super comfortable and increased pressure sensitivity. Multiple Use Keys simplifies financial calculations to save time and increases efficiency. Comfortable Computer Buttons: The special computer key is higher than the common calculator and it increases the resiliency of this button. The big figure button cannot be stuck easily during you use it. And it can help the aged seeing clearly and using it happily. How do you ensure the quality of your calculator products? We prioritize quality in production. We use top-grade materials and components that undergo rigorous testing. Strict quality control checks are implemented before market release, ensuring our calculators meet the highest standards. What makes your calculator products stand out in terms of quality? Our calculators are robust, have long battery life, and a user-friendly interface. Precision engineering and attention to detail reflect our commitment to quality. We deliver a reliable and efficient calculator experience How do your customers rate the quality of your calculator products? Our customers highly rate our calculator quality. They appreciate the accuracy, reliability, and ease of use. Positive feedback and repeat purchases testify to our exceptional products. We strive to maintain this high standard. C-2135 C-2135 2PACK C-2735 C-2735 2PACK C-1832GR 2PACK