Features:
Comprehensive Functionality: The TY-991ES scientific calculator boasts 417 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 engineerin g needs.
High-Definition Display: Featuring a high-definition dot matrix display (96*31), 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-991ES 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.
Specifications:
Model: TY -991ES
Color: Pink, Blue (Optional)
Size: 165x80x15mm
Weight: 125g
Battery: LR44, 160MaH 1.5V
Material: ABS Plastic
Package List:
1 x Calculator
Logistics information
Our products are located in Hong Kong, China, and the logistics speed depends on your specific location. According to our experience, it usually takes about 15-20 days of transportation time
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Curabitur vel sem mi. Proin in lobortis ipsum. Aliquam rutrum tempor ex ac rutrum. Maecenas nunc nulla, placerat at eleifend in, viverra etos sem. Nam sagittis lacus metus, dignissim blandit magna euismod eget. Suspendisse a nisl lacus. Phasellus eget augue tincidunt, sollicitudin lectus sed, convallis desto. Pellentesque vitae dui lacinia, venenatis erat sit amet, fringilla felis. Nullam maximus nisi nec mi facilisis.
How to choose the correct size:
Step 1 Please measure your foot length carefully.
Step 2 Please choose the correct size according to your foot length and chinese size.
For example, If your foot length is 255 mm , you should choose the size 8.
