The Casio FX-85DE X is a scientific calculator meticulously crafted for both technical and academic applications. This calculator is not just an instrument; it’s an essential tool designed to facilitate learning and enhance productivity.

**Key Features:**

• Display: A high-resolution 63 x 192 full dot matrix screen with a natural textbook display, providing an intuitive view of mathematical expressions.
• Power Supply: Operated by both solar cells and an LR44 battery, ensuring its reliability in various conditions.

**Advanced Functions:**

• Algebraic input logic
• Trigonometric calculations (sin, cos, tan and their inverses)
• Complex number operations
• Statistical analysis functions including mean and standard deviation
• Maths box feature for experiments with random numbers

This calculator also includes a memory function providing 9 variable memories and a repeat function, making calculations easier and more efficient. Furthermore, it features a symbol menu for quick access to mathematical symbols and supports conversions between polar and rectangular coordinates.

Measuring approximately 17.3 cm x 7.7 cm x 1.6 cm and weighing around 95 grams, the Casio FX-85DE X is designed for portability, making it the perfect companion for students and professionals in any setting.