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function student calculator scientific calculator Double power supply (button battery + solar power supply)
Specifications:
- Certification: CE
- Usage: scientific calculator
- Style: Scientific
- Power Source: button battery + solar power supply
- Origin: CN(Origin)
- Model Number: 991es
- Max. Digits: 12
- Material: Plastic
- Brand Name: YOAINGO
- Applicable Battery Type: Dual Power Supply
- Free shipping
- 100 days returns
- Low prices
- 5 million products