Texas Instruments
✓Price
$64.99
LUFEIS FX-991EX Scientific Calculator, 552 Functions Scientific Calculator, 10+2 Digits Written Display Calculators, Portable Scientific Calculators for Students, Teachers, Business, School, Office
★★★★★
$64.99
Quantity
1
Worldwide shipping
Fast tracked delivery
30-day returns
Hassle-free returns
Secure checkout
Safe & protected
Great service
Thousands of happy customers
About this item
- 【Crystal-Clear Display】The FX-991EX scientific calculator boasts a large, high-resolution 12-digit display. This provides a sharp, easily readable view of your work, whether tackling complex equations or simple sums, significantly reducing eye strain during prolonged use.
- 【Powerful Functionality】Packed with an impressive 522 functions, the FX-991EX scientific calculator effortlessly handles everything from basic arithmetic to advanced operations like statistics, matrices, and vectors. Its responsive system delivers swift, accurate results, making it ideal for solving intricate problems efficiently at A-level, university, or professionally.
- 【Durable Protection】Your FX-991EX scientific calculator comes complete with a robust sliding hard case. This essential cover shields both the keys and the body from scratches, accidental knocks, and the rigours of daily life in a bag or desk, helping to keep it pristine for years to come.
- 【Reliable Buttons】Designed for accuracy and longevity, the FX-991EX scientific calculator features a high-quality plastic keypad. Each button offers a responsive, positive tactile feel and a distinct click – crucial for error-free input – and is built to withstand heavy use, maintaining its performance even after extensive revision sessions.
- 【Convenient Power】The FX-991EX scientific calculator runs on readily replaceable button batteries (LR44 type included), providing stable and long-lasting power. Enjoy fuss-free operation without the need for solar charging or reliance on mains power – perfect for exams or use anywhere, anytime.
Product details
Customer reviews
What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
You might also like
