๐ป Product Overview
The Casio FX-991ES PLUS 2nd Edition is a scientific calculator built around a Natural Textbook Display that shows fractions, roots and expressions the way they appear in textbooks. It carries over 417 built-in functions spanning algebra, trigonometry, calculus, probability and statistics, along with matrix and vector calculations. Students at high school and university level, and professionals in engineering and science, get a non-programmable tool for advanced mathematics.
โจ Key Features
- Natural Textbook Display: Fractions, roots and expressions appear as they do in printed textbooks.
- 417 built-in functions: Covers algebra, trigonometry, calculus, probability and statistics.
- Multi-replay: Edit and recall previous calculations.
- Matrix and vector calculations: Handles matrix and vector work directly on the device.
- Dual power source: Runs on solar and battery power.
- Durable keys: Built for daily academic and professional use.
๐ฑ๐ง Why Buy from Technodel?
- ๐ Delivery Across Lebanon โ 1-3 business days to all regions
- ๐ก๏ธ Warranty โ as stated on this product page, plus 30-day returns with a full refund
- ๐ฌ WhatsApp Support โ ask us anything before or after you order
- ๐ต Cash on Delivery โ pay when the order reaches you