DUPOTA OA-991EX PLUS Scientific Calculator 552 Functions Support Fraction and Decimal Point Conversion 2-Line Written Display Solar Battery - Ideal for Middle High School Students and Teachers Black

Product description

• Ultra-light & Portable Advanced scientific calculator is designed to be lightweight (about 125g), suitable for carrying around. The button layout is clear, and the anti-slip material enhances the operation feel. It has various function keys to simplify complex calculations, including a "CHG" button for switching between fractions and decimals, making precise value calculations easy.
• High Resolution & Multi-line Display 991ex scientific calculators is equipped with a high-resolution multi-line display that supports natural display of mathematical formulas and fractions, presenting expressions intuitively and showing the calculation process and results simultaneously. Adjust the screen contrast according to your preference for a clear and comfortable experience.
• High-efficiency Calculator Scientific calculator has an integrated spreadsheet mode that supports data input and formula calculation; advanced operations such as 4 4 matrix and vector operations, with a quad-core processor to enhance calculation speed, making it faster to solve high-order equations and perform matrix operations, meeting the needs of efficient calculation.