TY-991EX(F) solar scientific calculator
The company owns two factories, one of which is committed to manufacturing calculators, another focuses on the production&development of mobile powers and bluetooth speakers, so, our products cover:
1) students calculators ranging from primary school, junior middle school, to high middle school calculators
2) wireless speaker
3) mobile powers
We have passed the CE/ FC/ ROHS accreditation, and ISO9001 and ISO14001 accreditation.
Our products’ quality is very stable and superior, and the performance or parameters are outstanding.
|Features||1. High Resolution Display Dot matrix display(192*63).
2. Writing display
3. 552 functions
4. Displayed in English
|Product weight (charged)||126g|
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TIANYAN is a professional manufacturer of electronics products.