1. Functionality: Fc991ESPLUS Calculator features 417 functions, including trigonometric functions, exponential functions, logarithmic functions, calculus functions, statistical functions, algebraic functions, etc. It also supports complex numbers, matrix and vector calculations, meeting various scientific and engineering needs.
2. High-definition Display: The calculator adopts a 10+2 digit display screen, providing clear and easy-to-read readings. It supports natural display, enabling direct input and output of mathematical formulas, making complex calculations more intuitive.
3. Dual Power Source: Equipped with both solar panel and button cell battery, the calculator can operate continuously in indoor and outdoor environments. This dual power design reduces the need for frequent battery replacement, making it an economical choice for long-term use.
4. User-friendly Design: The calculator features large and clear numeric keys and a shock-resistant cover. This thoughtful design ensures the durability and usability of the calculator, making it a reliable tool for frequent calculations.
5. Versatility: Ideal for students, teachers, engineers, accountants, etc., this calculator meets various mathematical, scientific, and engineering calculation needs. Its compact size and comprehensive functions make it the perfect gift for those in need of a scientific calculator.

 

Specification:

Item Type: Calculator; Battery: 1xLR44 Button Battery 1.5V 160MAH (with built-in battery); 
Size: Approx. 16.3x8x1.5cm / 6.42x3.15x0.59in

 

How to Use:

Follow the instruction manual

 

Package List:

 

Note: