CATIGA SS-991EX Scientific Calculator with Advanced 550 Functions- Solar & Battery Powered, Multi-Function, High School & College Math, Trigonometry, Statistics, Algebra, Durable, Large Display
CATIGA SS-991EX Scientific Calculator with Advanced 550 Functions- Solar & Battery Powered, Multi-Function, High School & College Math, Trigonometry, Statistics, Algebra, Durable, Large Display
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CATIGA SS-991EX Scientific Calculator with Advanced 550 Functions- Solar & Battery Powered, Multi-Function, High School & College Math, Trigonometry, Statistics, Algebra, Durable, Large Display

212 ratings
CATIGA SS-991EX Scientific Calculator with Advanced 550 Functions- Solar & Battery Powered, Multi-Function, High School & College Math, Trigonometry, Statistics, Algebra, Durable, Large DisplayCATIGA SS 991EX Scientific Calculator Advanced 550 Functions Solar Battery Powered Multi Function High School College Math Trigonometry Statistics AlCATIGA CS 229 Electronics Scientific Calculator with Graphic Functions BlackCATIGA CS 229 Electronics Scientific Calculator with Graphic Functions WhiteCATIGA CS 229 Electronics Scientific Calculator with Graphic Functions Blue
SizeL-Out of stock
Actual ColorSolar Black-Out of stock

Key item features

  • Extensive Functions: 552 functions including spreadsheets, matrix calculations, statistics, calculus, complex number operations, and more, suitable for various courses like Biology, Chemistry, Physics, Finance, and Business.
  • User-Friendly Display: Formulas and expressions are shown as they appear in textbooks, simplifying learning and problem-solving for enhanced accuracy and understanding.
  • Large High-Resolution Screen: The LCD display is 32% larger than regular two-line calculators, ideal for advanced operations such as spreadsheets and 4x4 matrix calculations, allowing graphs and equations to be displayed simultaneously.
  • Dual Power Source: Operates on both solar power and battery backup, ensuring continuous performance and reliability in any environment.
  • Durable Construction: Built with strong materials to withstand extensive use, providing long-term reliability for both educational and professional settings.
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Customer ratings & reviews

4.6 out of 5 stars
stars
212 ratings115 reviews
How item rating is calculated
  1. 5 stars77% (164)
  2. 4 stars14% (29)
  3. 3 stars2% (5)
  4. 2 stars0% (0)
  5. 1 star7% (14)

Reviews summary

Pros

  • : Offers a lower cost compared to similar products.
  • : Made to last with proper care.
  • : Simple to operate with easy navigation.
  • : Device comes in a deep, rich pink shade.
  • : Fits comfortably in hand without feeling bulky.

Neutral

  • : Device handles high-school and advanced equations; broader scope unclear.
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Showing 1-3 of 115 reviews

Aug 29, 2026
Reviewer name: wei
Item details
Size: L
Color: Black
Sold bySunlite Industrial Corp.Delivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

good quality. Good price.

Helpful?4JCLSYEGU4YS9338374246
Sep 8, 2026
Reviewer name: Lori
Item details
Size: L
Color: Black
Sold bySunlite Industrial Corp.Delivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great scientific calculator

Great scientific calculator. Purchased for my teen to take standardized test and works great.

Helpful?4JCLSYEGU4YS9338374246
Jan 15, 2026
Reviewer name: Joseph
Item details
Size: L
Color: Black
Sold bySunlite Industrial Corp.Delivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great value

Great value. Perfect for my high school classes

Helpful?4JCLSYEGU4YS9338374246
Current price is $19.99
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