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📐 Elevate your calculations — because precision is the new power move.
The CASIO FX-991CW is a sleek, black advanced scientific calculator featuring a 2.25-inch high-resolution LCD screen that displays complex data like spreadsheets and 4x4 matrices. It offers 552 functions including numeric integration, differentiation, and polynomial solving, making it ideal for middle school through college-level math. Solar powered with battery backup, it ensures reliable performance during exams and study sessions. Highly rated and trusted by educators, this calculator combines durability with cutting-edge technology for the professional student or manager who demands accuracy and speed.
| ASIN | B0BSJ33C4R |
| Best Sellers Rank | 22,743 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 55 in Scientific Calculators |
| Brand | Casio |
| Brand Name | Casio |
| Calculator Type | Engineering/Scientific |
| Colour | Black |
| Customer Reviews | 4.7 out of 5 stars 2,137 Reviews |
| Display Type | LCD |
| Enclosure Material | Plastic |
| Item Dimensions L x W | 16.2L x 7.7W centimetres |
| Item Type Name | Casio Advanced Scientific Calculator |
| Item Weight | 3.35 Ounces |
| Manufacturer | Casio |
| Manufacturer Part Number | FX-991EX |
| Model Name | FX-991CW |
| Model Number | FX-991CW |
| Number of Batteries | 1 LR44 batteries required. (included) |
| Number of batteries | 1 LR44 batteries required. (included) |
| Power Source | Solar Powered |
| Power source | Solar Powered |
| Screen Size | 2.25 Inches |
| Screen size | 2.25 Inches |
| UPC | 889232615011 |
| Unit Count | 1.0 count |
F**Y
So far so good!
Pricey but works well
S**D
Calculator for exams, (when you need more than a basic one)
This is the specific version of calculator requested by my childs school for GCSE and A-level , quality good and should last years of studies and exams
S**P
Great
It's best for my boys 6th form
D**D
Brilliant
Good for A level Maths.
A**S
Good calculator but quite expensive for students
It is quite expensive for students to buy but the quality might be good investing in. The buttons don't make any clicking noise.
R**E
works great, durable
really good features, wonderful solver
M**K
رائعه
رائعه تعطي لحلول مباشر للقواعد
F**O
Excellent calculator with great features
The Casio fx-991CW is an excellent calculator with very good performance and a wide range of useful features. It is easy to use, fast, and well designed, making it perfect for students and professionals who need reliable calculations. The display is clear and the overall build quality feels solid and durable. I also want to highlight that the Amazon delivery time was reasonable, especially considering that this was an international transaction. The product arrived well packaged and in perfect condition. Overall, I am very satisfied with this purchase and would definitely recommend this calculator.
P**O
Excelente calculadora científica
Ótima calculadora científica, de qualidade. Esta versão sem o LA (creio que seja de Latin America), não possui idioma português, somente inglês. Comprei já sabendo disso e pra mim, tudo tranquilo.
S**Z
Muy buena calculadora
Es una de las mejores calculadoras que e probado hasta la fecha, es fácil y intuitivo el usarlo
Trustpilot
5 days ago
2 weeks ago