<h4 data-start="161" data-end="230"><strong data-start="161" data-end="230">Casio FX-570CW-W-DT ClassWiz Standard Scientific Calculator Black</strong></h4> <p data-start="262" data-end="639">The Casio FX-570CW-W-DT ClassWiz Standard Scientific Calculator Black is a high-performance calculator designed for students, educators, engineers, and professionals who require advanced scientific functionality. Its high-resolution LCD display provides clear visualization of expressions, fractions, and results, allowing complex calculations to be easily read and verified.</p> <p data-start="641" data-end="1042">Equipped with over 500 functions, it handles arithmetic, fractions, percentages, powers, roots, logarithms, trigonometric and hyperbolic functions, factorials, permutations, combinations, and statistical operations. Advanced features such as spreadsheet calculations, equation solving, matrix operations, and complex number computations make it ideal for both academic and professional applications.</p> <p data-start="1044" data-end="1638">The dual power system—solar with battery backup—ensures uninterrupted performance in various lighting conditions. Smooth, durable keys allow precise input, while the compact and lightweight design ensures portability for classroom, office, or laboratory use. Additional features include multi-replay for editing previous calculations and an ergonomic key layout for comfortable long-term use. The sleek black finish adds a professional and modern aesthetic, making it perfect for students, educators, engineers, and scientists seeking a reliable, efficient, and stylish scientific calculator.</p>