Features:
Comprehensive Functionality: The TY-991EX scientific calculator boasts 552 built-in functions, including trigonometric, exponential, logarithmic, calculus, statistics, algebra, and more. It also supports complex number, matrix, and vector calculations, catering to a wide range of scientific and engineering needs.
High-Definition Display: Featuring a high-definition dot matrix display (192*63), this calculator ensures clear and easy reading. It supports natural display, allowing for the direct input and output of mathematical formulas, making complex calculations more intuitive.
Dual Power Source: Equipped with a solar panel and a button battery, this calculator offers continuous operation in both indoor and outdoor environments. This dual power source design reduces the need for frequent battery replacements, making it an economical choice for long-term use.
User-Friendly Design: The TY-991EX calculator features large, clear numeric keys and a protective cover with an anti-collision design. This thoughtful design ensures durability and ease of use, making it a reliable tool for frequent calculations.
Versatile Use: Ideal for students, teachers, engineers, accountants, and more, this calculator can meet various calculation needs in mathematics, science, and engineering. Its compact size and comprehensive functionality make it a great gift for those in need of a scientific calculator.
Specifications:
Model: TY -991EX
Color: White, Black (Optional)
Size: 165x80x15mm
Weight: 125g
Battery: LR44, 160MaH 1.5V
Package List:
1 x Calculator
This product is excellent! It meets all of my expectations and works just as described. I’m very satisfied with the quality and performance. Highly recommend it to others!
The service is very good, I like it very much
I couldn't be happier with this purchase! It works exactly as advertised and has made my life so much easier.
It’s a decent product, but I expected more given the price. but a little more innovation would be great.
very good.
I’m very impressed with the performance of this product. It’s efficient, easy to use, and exactly what I needed.
Very good product, I will buy again
The service is very good, I like it very much
I couldn't be happier with this purchase! It works exactly as advertised and has made my life so much easier.
This product is okay.
The product is decent. It performs well, but there are a few aspects I think could be improved. Overall, it’s a good option for the price.