- Model:Fx-991MS (MASTER COPY)
- 401 advanced functions for complex calculations
- Large, easy-to-read display for clear visibility
- Intuitive navigation for quick and accurate calculations
- Sleek and ergonomic design for comfortable use
- Robust build quality for durability and longevity
- Long-lasting battery life for continuous operation
- power source battery
- Multi-line display for reviewing and editing calculations
