Casio Scientific Calculator FX-991ES Plus
- Designed and engineered for easy operation .
- Large keypad for comfortable use of the user.
- Both solar powered and battery powered according to the availability of light.
- It has a large display so that it is easy to read and use.
- Color coded keypad for easy key differentiation.
- It has a complete calculation feature with a full decimal system.
- Displays numbers in three digit separator formats (Standard, European, and Indian)
- It saves upto 150 previous calculations
- All the mark-up capabilities of an adding machine for simplified cost and profit calculations
- Lightweight and easy to port.