Advanced Scientific Functions with Textbook-Style Display
The CD-991ES Basic Scientific Calculator – 417 Functions – Natural Textbook Display is designed for students and professionals who require precision and versatility in their calculations. Its Natural Textbook Display shows expressions and results just as they appear in textbooks, making it easier to understand and verify your work. Equipped with 417 built-in functions, it can handle complex mathematical, statistical, engineering, and scientific problems with ease. The two-way power system (solar and battery) ensures uninterrupted performance in any lighting condition.
Product Details:
- Brand: BASIC
- Model: CD-991ES
- Type: Scientific Calculator
- Display: Natural Textbook Display (NTD)
- Number of Functions: 417
- Power Source: Two-way power – solar and battery
- Functions: Algebra, trigonometry, calculus, statistics, fractions, logarithms, exponents, and more
- Use: Ideal for school, university, engineering, and professional applications
Key Features:
- Natural Textbook Display: Shows formulas and results exactly as in textbooks
- Comprehensive Function Set: 417 functions for a wide range of applications
- Dual Power Supply: Reliable performance with solar and battery power
- Ergonomic Design: Comfortable grip and easy-to-press keys for efficient use
- High Accuracy: Perfect for complex and detailed problem-solving
Delivery Information:
We offer fast and reliable delivery across the UAE:
- Abu Dhabi: 1-2 working days
- Dubai, Sharjah, Ajman, Ras Al Khaimah, Fujairah, Al Ain: 2-5 working days
Customer Support:
For assistance or inquiries, our friendly customer support team is available 24/7:
- Phone: 02 666 5570
- WhatsApp: Available for quick communication
- Visit Us: Feel free to visit our store or contact us via Facebook or Instagram.
Payment Options:
Securely shop online with multiple payment options including:
- Visa
- Mastercard
- Apple Pay
- Cash on Delivery (contact customer support for details)
Shop confidently with Siddiq Gifts—your satisfaction is our top priority
