Is this suitable for university level

It depends. I know from experience that Open University maths exams do not allow calculators that can evaluate integrals so, in that case, this would not be allowed. I would ask the faculty what calculators are permissible in exams as this might also depend on the module, as well as the institution.

Does this calculator have a linear regression function?

Yes. A quick search on youtube for LG produced results. Good luck!

No this calculator does not have CAS. CAS stands for "Computer Algebra System", which means that calculators with this do symbolic algebra. This is why CAS calculators are banned in most exams.

Does it have graphical computing capabilities? I need to take a math test, the calculator is not allowed to graph calculation function.

No but it will work out tables of values for you.

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fx-991CW Advanced Scientific Calculator (UK Version)

Product ID: 516361960

Details

Brand
Casio
Colour
Previous Model
Display type
LCD
Material
Plastic
Model name
Casio FX-991CW
Number of batteries
1 AAA

📊540+ advanced functions

🔋Dual solar & battery power

🛡️3-year reliability guarantee

₹ 6057

Duties & taxes included

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Description

📐 Master your maths with the UK’s best-selling advanced calculator!

POWER THAT LASTS - Dual solar and battery backup with auto power-off—never lose your flow.
ROBUST PORTABLE - Lightweight 100g design with clip-on hard cover—durability meets convenience.
ECO CONSCIOUS BUILD - Up to 90% recycled materials—smart for your brain and the planet.
ADVANCED FUNCTIONALITY - 540+ functions including UK-specific features—excel beyond the basics.
EXAM READY CURRICULUM ALIGNED - Approved for Key Stages 3-5 & UK exams—your trusted study companion.

The Casio fx-991CW+ UK is the top-selling advanced scientific calculator tailored for UK students, featuring over 540 functions, dual solar and battery power, and a durable design made with up to 90% recycled materials. Approved for all major UK exams, it combines eco-conscious innovation with exam-ready reliability, backed by a 3-year guarantee.

Specifications

ASIN	B0BVVZYNQH
Best Sellers Rank	29 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 3 in Scientific Calculators
Brand Name	Casio
Colour	Previous Model - Black
Customer Reviews	4.6 4.6 out of 5 stars (2,619)
Display Type	LCD
Enclosure Material	Plastic
Item Dimensions L x W	16.2L x 7.7W centimetres
Item Weight	100 Grams
Manufacturer	Casio
Manufacturer Contact Information	Casio Computer Co., Ltd.
Manufacturer Part Number	FX-991CW-W-UT
Model Name	Casio FX-991CW Advanced Scientific Calculator (UK Version)
Model Number	FX-991CW-W-UT
Number of Batteries	1 AAA batteries required.
Number of Items	1
Power Source	Solar Powered
Product Warranty	3 year guarantee
Screen Size	2.5 Inches
Unit Count	1.0 count

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