Unlock your full mathematical potential with the D991ES Scientific Calculator, designed for unparalleled accuracy and versatility. Perfect for students from high school to university, as well as professionals in engineering, finance, and science, this advanced calculator handles everything from basic arithmetic to complex scientific functions with ease. Its robust design ensures durability, making it a reliable companion for all your academic and professional endeavors.

The D991ES features an impressive 417 functions, providing a comprehensive toolkit for various disciplines. Navigate complex equations with confidence, thanks to dedicated functions for trigonometry, statistics, and logarithms. The large, clear 10-digit display ensures optimal visibility of numbers and results, minimizing errors and enhancing your productivity. Its intuitive button layout and user-friendly design make calculations efficient and straightforward.

Beyond its powerful capabilities, this scientific calculator boasts a sophisticated beige finish, adding a professional touch to any workspace. Engineered for long-lasting performance, it combines functionality with a durable build that withstands the rigors of daily use. Whether you need precise figures for coursework or professional projects, the D991ES offers exceptional value, empowering you to tackle challenges with precision and speed.

Specifications

• Model: D991ES
• Functions: 417
• Display Digits: 10
• Color: Beige
• Power Source: Solar & Battery

How to Use

The D991ES is designed for intuitive operation; simply press the buttons corresponding to your desired numbers and functions. Your input and the final result will be clearly displayed on the screen. For a comprehensive overview of all 417 functions, please refer to the included instruction manual.