fs-991ES PLUS Scientific Calculator – 2nd Version - Green
fs-991ES PLUS Scientific Calculator – 2nd Version - Green
The UNIT FS-991ES PLUS 2nd Version Scientific Calculator is designed for advanced calculations with enhanced functionality and an easy-to-use interface. Featuring 417 built-in functions and a natural textbook display, it presents equations exactly as they appear in textbooks for a smoother and more accurate calculation experience.
Features:
• 417 built-in functions
• Natural textbook-style display for clearer equations
• Two-way power system with solar and battery operation
• Supports matrices, vectors, statistics, and complex numbers
• Equation and table calculation modes
• Integral and differential calculation functions
• Easy menu navigation system
• Fast processing with user-friendly controls
• Stylish modern design with 2nd version interface
Ideal for students, engineers, university use, and advanced scientific calculations.
FAQs
What types of calculators do you manufacture?
We produce a wide range of scientific, desk, pocket and printing calculators designed for schools, universities, offices, and professional use.
Which industries or sectors do you serve?
We supply the education, retail, corporate, and governmental sectors, as well as wholesalers and distributors across multiple markets.
Do your calculators comply with international quality standards?
Yes. All models undergo strict quality control and comply with ISO and CE certification standards.
How can I become an authorized distributor or reseller?
Submit a short application via our partnership form. Once reviewed, our sales team will contact you to discuss requirements and territory availability.