Free shipping on orders over 499

Citical CT-991MS Scientific Calculator 401 Function Advanced Math Tool

73085014% OFF
Inclusive of all taxes
In Stock
Free delivery on orders over 499

Quantity

1

Product Highlights

  • Natural V.P.A.M. Display: Shows fractions, roots, and matrices in textbook format for easy reading.
  • 401 Functions: Covers integration, differentiation, matrix, vector, and statistical calculations.
  • Dual Power System: Solar panel + backup battery for uninterrupted use in any lighting.
  • 10+2 Digit Precision: High accuracy with 10-digit mantissa and 2-digit exponent.
  • Multi-Replay Function: Step back through calculations to edit and re-execute.
  • Durable Slide Cover: Hard case protects screen and keys during transport.

Warranty

12 Months Seller Warranty

Gift Wrap

Available for 30

Selling Partner

FavesPlus+

About this Product

Tackle complex calculations with the Citical CT-991ES Scientific Calculator, a high-performance device with over 401 built-in functions for algebra, trigonometry, statistics, and calculus. Featuring a natural textbook display that shows formulas and results exactly as they appear in textbooks, it’s perfect for students, engineers, and professionals. With solar + battery dual power and a protective slide-on cover, this reliable calculator ensures long-lasting accuracy and portability.

Related Products

Gltzen CT-512N Desktop Calculator 12-Digit Check & Correct Business Calculator

Gltzen CT-512N Desktop Calculator 12-Digit Check & Correct Business Calculator

350
22% OFF
HTC AT-509 Professional Hair Clipper Cordless Rechargeable Beard & Hair Trimmer

HTC AT-509 Professional Hair Clipper Cordless Rechargeable Beard & Hair Trimmer

699 899 Save 200
Gltzen CT-712GC Check & Correct 12-Digit Professional Business Calculator

Gltzen CT-712GC Check & Correct 12-Digit Professional Business Calculator

370
Akari Portable Mini Handheld Fan Rechargeable USB Cooling Fan with Stand

Akari Portable Mini Handheld Fan Rechargeable USB Cooling Fan with Stand

360
Gltzen CT-512 Check & Correct 12-Digit Business Calculator

Gltzen CT-512 Check & Correct 12-Digit Business Calculator

170
HTC Professional Beard Trimmer Corded Hair Clipper with 4 Guide Combs

HTC Professional Beard Trimmer Corded Hair Clipper with 4 Guide Combs

649
14% OFF
Citical CT-991MS Scientific Calculator 401 Function Advanced Math Tool

Citical CT-991MS Scientific Calculator 401 Function Advanced Math Tool

730 850 Save 120

Featured Products

View All
HTC Professional Beard Trimmer Corded Hair Clipper with 4 Guide Combs

HTC Professional Beard Trimmer Corded Hair Clipper with 4 Guide Combs

649
30% OFF
Stylish Casual Sneakers for Men and Women Modern Low-Top Design with Comfort Sole - 7

Stylish Casual Sneakers for Men and Women Modern Low-Top Design with Comfort Sole - 7

699 999 Save 300
Variants Available
37% OFF
Women's Long Wallet Shimmer Textured Double-Zip Clutch Purse - Emerald Green

Women's Long Wallet Shimmer Textured Double-Zip Clutch Purse - Emerald Green

220 350 Save 130
Variants Available
Woodland-Inspired Patched Tree Wallet Vintage Tan Faux Leather Bifold with Logo Patch & Coin Pocket

Woodland-Inspired Patched Tree Wallet Vintage Tan Faux Leather Bifold with Logo Patch & Coin Pocket

270
Pop-It Cartoon Stress-Relief Silicone Mini Pouch - Purple

Pop-It Cartoon Stress-Relief Silicone Mini Pouch - Purple

120
Variants Available
Rainbow Tie-Dye Teddy Bear Plush Colorful Soft Cuddly Stuffed Teddy with Ribbon - Teddy V1

Rainbow Tie-Dye Teddy Bear Plush Colorful Soft Cuddly Stuffed Teddy with Ribbon - Teddy V1

120
Variants Available
Rainbow Tie-Dye Teddy Bear Plush Colorful Soft Cuddly Stuffed Teddy with Ribbon - 2 Pc Combo

Rainbow Tie-Dye Teddy Bear Plush Colorful Soft Cuddly Stuffed Teddy with Ribbon - 2 Pc Combo

210
Variants Available
21% OFF
MoYu Pyraminx Speed Cube Stickerless Triangle Puzzle with Smooth Turning

MoYu Pyraminx Speed Cube Stickerless Triangle Puzzle with Smooth Turning

220 280 Save 60
Dancing Cactus Talking Toy Voice-Repeating Musical Plush with LED Lights - Cactus

Dancing Cactus Talking Toy Voice-Repeating Musical Plush with LED Lights - Cactus

360
Variants Available
12% OFF
Romantic Red and Black Heart Dancing Couple Figurine Elegant Full-Size Love-Themed Decor

Romantic Red and Black Heart Dancing Couple Figurine Elegant Full-Size Love-Themed Decor

570 650 Save 80
Beautiful Drop Earrings with Gemstone Accents and Traditional Indian Design with Elegant Dangling Style - Mango Dangler

Beautiful Drop Earrings with Gemstone Accents and Traditional Indian Design with Elegant Dangling Style - Mango Dangler

150
Variants Available
Exquisite Dangle Earrings with Gemstone Details and Traditional Indian Design with Elegant Drops - Peacock Jhumka

Exquisite Dangle Earrings with Gemstone Details and Traditional Indian Design with Elegant Drops - Peacock Jhumka

150
Variants Available
62% OFF
Elegant Stainless Steel Analog Watch with multi dial design for men - Green Dial

Elegant Stainless Steel Analog Watch with multi dial design for men - Green Dial

460 1,199 Save 739
Variants Available
38% OFF
Floral-Embellished Sling Bag Quilted Faux Leather Crossbody Purse for women - Olive Green

Floral-Embellished Sling Bag Quilted Faux Leather Crossbody Purse for women - Olive Green

249 399 Save 150
Variants Available
45% OFF
Premium Leather-Style Travel Backpack Stylish Nike-Inspired Laptop Backpack for Men & Women - Brown

Premium Leather-Style Travel Backpack Stylish Nike-Inspired Laptop Backpack for Men & Women - Brown

550 999 Save 449
Variants Available
45% OFF
Dr.MGR Golden Bust Statue Iconic premium collection - 4.5 inch

Dr.MGR Golden Bust Statue Iconic premium collection - 4.5 inch

749 1,350 Save 601
Variants Available
26% OFF
Wooden Tower Building Decor with penholder and Good Fortune Accent

Wooden Tower Building Decor with penholder and Good Fortune Accent

430 580 Save 150
Cut-Out Mobile Sling Bag Cute Pom-Pom Crossbody Phone Purse - Blue

Cut-Out Mobile Sling Bag Cute Pom-Pom Crossbody Phone Purse - Blue

150
Variants Available
Riches Midnight Black Wall Clock 12-Inch Luxury Black Designer Timepiece

Riches Midnight Black Wall Clock 12-Inch Luxury Black Designer Timepiece

450
25% OFF
Sleek Reusable Glass Bottle  With Rubber Grip for Easy Handling - 500 ml

Sleek Reusable Glass Bottle With Rubber Grip for Easy Handling - 500 ml

150 200 Save 50
Variants Available