Includes 420 functions for a wide range of mathematical and scientific calculations Switch between four modes for versatile calculations namely normal, stat, complex, and equation formats Solve complex problems easily with three-variable linear equation solvers and analyze data using one- and two-variable statistics Easily access physical constants and perform metric conversions for quick and accurate calculations Store formulas with eight temporary and four memory buttons for quick recall Large 12-digit, two-line LCD display shows calculations clearly for better understanding Direct Algebraic Logic (D.A.L.) allows for intuitive input and results Durable glossy black finish with white accents offers a sleek, modern look Hard protective case safeguards the device against damage Twin power system (solar and battery backup) ensures reliable use in any condition