‣ Perform a wide range of scientific calculations with ease, including trigonometric, exponential, and logarithmic calculations. ‣ Large, easy-to-read display for comfortable viewing. ‣ The natural textbook display shows expressions as they appear in textbooks for better understanding. ‣ 9 memory variables for storing frequently used values and formulas. ‣ Durable design with hard protective case included. ‣ Powered by solar energy with a battery backup for reliable performance.