Casio Fx-991CW

Product Details:
1. Non-Programmable & the 4-gradation Scientific Calculator with 540 Functions
2. Intuitive, easy-to-learn icon display
3. Natural Textbook Display with 10 + 2 digits
4. List display function for thorough, speedy learning
5. High-speed calculation
6. Calculator Apps: Calculation, Spredsheet, Mathbox, Statictics, Table, Equation
7. Online visualization service using QR codes
8. Memory protection & reset function.
9. Both Battery & solar power.