Best Grey Calculators in 2026

Daisy
Last Updated: Feb 6, 2026

At a Glance: Our Top Picks for Grey Calculators

co2CREA Hard Case Replacement for HP 10bII+ Financial Calculator NW239AA
#TOP1
Co2Crea Hard Case Replacement For Hp 10Bii+ Financial
9.7
PM SCORE
Graphing Calculator Case for Texas Instruments TI-84 Plus CE Color Graphing Calculator, Also Fits for TI-83 Plus Casio fx-9750GII, Large Capacity for Pens,Cables and Other Accessories-Pink, Box Only
#TOP2
Graphing Calculator Case For Texas Instruments Ti-84 Plus
9.6
PM SCORE
HP HP10bII+ Calculatrice financière
#TOP3
Hp Hp10Bii+ Calculatrice Financière
9.6
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Grey Calculators of 2026

Market Overview
Grey Calculators Reviewed
  • Reviews Analyzed: 2804 Items
  • PM Avg. Rating: 7.7 / 10
16 Products Evaluated
  • Highest Price: $595.99
  • Lowest Price: $2.99
  • Avg. Price: $85.70

Co2Crea Hard Case Replacement For Hp 10Bii+ Financial Calculator Nw239Aa

CO2CREA
CA-180905-3
6.30 X 3.50 X 1.00 inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
co2crea shop 9.93

Features

co2CREA hard HP calculator travel case replacement for HP 10bII+ financial calculator HP 10bii plus financial calculator HP 10bii financial calculator. Hard EVA shell case is shockproof dustproof and water resistance, protect your HP10bii financial calculator HP financial calculator HP10bii HP financial calculators marine structural design calculations mortgage calculators HP10b11 financial calculator from drops, scratches, bumps, splash, and dust.

This HP10bii calculator HP calculator case perfect fit HP 10bii plus financial calculator HP engineering calculator rpn calculators business finance calculator, and the graphic calculator HP financial calculator case has more space to accommodate the HP 10bii financial calculator HP prime calculator financial calculator and calendrical calculations more accessories.

co2CREA hard HP graphing calculator HP 10 financial calculator HP10bii+ financial calculator case is a build-in super quality lining reflects superior taste and ensures a long-lasting performance, the soft anti static lining can protect your HP 10bii financial calculator HP 10bii plus financial calculator HP 10bii financial calculator from bumps dents and scratches.

This HP 10bii plus financial calculator HP calculator case has a comfortable hand strap, so that the HP 10bii financial calculator professional financia calculator HP business calculators cfa financial calculator HP 10bii calculator can travel with you easily. and the HP 10bII+ financial calculator case has a special and strong zipper, which can bring you a better using experience.

For sale is CASE ONLY! (HP 10bii plus financial calculator and HP calculator accessories are not included)

#TOP2

Graphing Calculator Case For Texas Instruments Ti-84 Plus Ce Color Graphing Calculator, Also Fits For Ti-83 Plus Casio Fx-9750Gii, Large Capacity For Pens,Cables And Other Accessories-Pink, Box Only

PAIYULE
CAL-001
8.40 X 4.30 X 1.90 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PAIYULE 9.90

Features

For ti 84 plus ce case: For ti84 graphing calculator case is compatible for Texas Instruments Ti-84 plus/ CE/ HP Prime Calculator Graphing Calculator, also fits for TI-83 Plus Graphing Calculator

For Texas instrument graphing calculator case with premium EVA material: For Calculator ti-84 case with hard eva material with durable fabric lining, shockproof, water-resistant, proect for TI-Nspire calculator againest from scratch, dust, damage.

For texas instruments ti-84 case with large capacity: graphing calculator for ti-84 plus ce case with One dividual room for Ti-84 plus calculator, 3 samll nets for ssd cards, the other side of the layer can hold at least 3pcs pencils and pens, 3 mesh pockets fits for cables, cell-phone,rulers and any other stationery.

For ti 84 ce graphing calculator case with unique design: For texas instruments for ti-84 plus ce graphing calculator case with strong 360 degree double zipper, easy to opening and closing. External dimension:8.4’’*4.3’’*1.9’’Inches.

For ti-84 calculator case easy to go: For ti 84 graphing calculator case with durable hand strap allow you easy to take your calculator on the road. Great gifts for your children, students or any other ower for Texas Instruments Calculator.

Hp Hp10Bii+ Calculatrice Financière

SMS
HP-10BIIPLUS/B12
3.15 X 0.55 X 5.67 Inches
0.21 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Electropedia llc 9.93

Features

Hp 10bII+ financial Calculator.

The HP 10bII+ is the smart choice for business and Finance needs.

You'll be able to work quicker and more efficiently with over 100 time-saving, easily-accessible

Easily calculate loan Payments, interest rates and conversions, standard deviation, percent, TV,

With so many useful features, and an affordable price, The HP 10bII adds up to a wise Investment.

#TOP4

Fitsand Travel Hard Case For Texas Instruments Nspire Cx Cas, Texas Instruments Graphing Calculator

FITSAND
GCHCJSQ12
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FitSand 9.77

Features

This Case Travel Bag will fit and protect Most Graphing, Scientific and Financial Calculators.

Made of Durable EVA Anti-Shock, With Soft Interior layer with Mesh Inner Pockets for cable / USB connector.

Includes Wrist strap for your Comfort.

Fit with the Guerrilla Silicone Case and the slide case.

1 x Graphing Calculator Case for Texas Instruments Nspire CX CAS, Texas Instruments, Casio, HP, SainSmart Graphing Calculator

#TOP5
Best For Hp

Hp 15C Limited Edition Scientific Calculator

HP
NW250AA
0.60 X 5.08 X 3.15 Inches
0.26 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
gjd10 9.87

Features

The classic HP 15c scientific calculator

The classic HP 15C scientific calculator

Simple, intelligent design. Advanced scientific features

It has unique HP RPN

It has portable, user-friendly layout

Case Compatible With Texas Instruments Ti-Nspire Cx Ii/Ti Nspire Cx/Ti-Nspire Cx-Ii T Cas/For Hp Prime/For Casio Fx-9750Gii Color Graphing Calculator, Storage Holder -Pink (Box Only)

PAIYULE
TIPINKCAL-PYLCASE001
0.20 X 0.20 X 0.20 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PAIYULE 9.84

Features

Graphing calculators bag: The calculators organizer case is specially designed for Texas Instruments TI-Nspire CX/ TI-Nspire CX II CAS Color Graphing Calculator, for TI-89 Titanium/TI-85 / TI-86 for Casio fx-9750GII Color Graphing Calculator Scientific calculators holder with two mesh pockets can store cell-phone, charging lines, rulers, pens and any other stationery. Two elastic bands are placed on the middle dividers to store at least 6 pens. (For sale is case only)

Protective case for TI-Nspire CX graphing calculator: The cover for texas instruments is made of hard quality material, and has a honeycomb shaped divider in the middle, which has a good shock resistance and give scientific calculators for students ample protection. This allows you to place for TI-Nspire CX II graphing calculator more freely.

Portable office calculators container for Texas Instruments TI-Nspire CX II: The financial calculator keeper comes with a sturdy hand strap, so even kids can carry it with one hand easily. They can also put the graphic calculators case in their schoolbag, so that they can take for TI-Nspire CX II graphing calculator to schools, libraries and other places. Let the construction calculator accompany their study. External size: 8.6*4.73*2.48 inches.

Great design for TI-Nspire CX II case: The calculator pocket for TI-Nspire CX II with a 360 degree zipper make you open the calculator pencil case and put in or take out calculadora cientifica easily. The exquisite wiring and double sutures make protector for ti calculator durable.

Great gift: The graphing office calculators pocket is a wonderful gift for your children, students or any other owners for texas instruments graphing calculator. It is great as s Christmas gift, birthday gift, Halloween gift, etc.

#TOP7
Best For Usb

Case Compatible With Texas Instruments Ti-Nspire Cx Ii/Ti Nspire Cx/Ti-Nspire Cx-Ii T Cas/Hp Prime Color Graphing Calculator, Storage Holder For Usb Cables, Pens, Pencil, More-Black(Box Only)

PAIYULE
CALCULAPYL-20221424
0.20 X 0.20 X 0.30 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PAIYULE 9.84

Features

Graphing calculators bag: The calculators organizer case is specially designed for Texas Instruments TI-Nspire CX/ TI-Nspire CX II CAS Color Graphing Calculator, Scientific calculators holder with two mesh pockets can store cell-phone, charging lines, rulers, pens and any other stationery. Two elastic bands are placed on the middle dividers to store at least 6 pens. (For sale is case only)

Protective case for TI-Nspire CX graphing calculator: The cover for texas instruments is made of hard quality material, and has a honeycomb shaped divider in the middle, which has a good shock resistance and give scientific calculators for students ample protection. This allows you to place for TI-Nspire CX II graphing calculator more freely.

Portable office calculators container for Texas Instruments TI-Nspire CX II: The financial calculator keeper comes with a sturdy hand strap, so even kids can carry it with one hand easily. They can also put the graphic calculators case in their schoolbag, so that they can take for TI-Nspire CX II graphing calculator to schools, libraries and other places. Let the construction calculator accompany their study. External size: 8.6*4.73*2.48 inches.

Great design for TI-Nspire CX II case: The calculator pocket for TI-Nspire CX II with a 360 degree zipper make you open the calculator pencil case and put in or take out calculadora cientifica easily. The exquisite wiring and double sutures make protector for ti calculator durable.

Great gift: The graphing office calculators pocket is a wonderful gift for your children, students or any other owners for texas instruments graphing calculator. It is great as s Christmas gift, birthday gift, Halloween gift, etc.

Hp Prime Scientific Graphing Calculator + Wyngs Protective Case Black

WYNGS
4062401026108
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SSL Unlimited 9.84

Features

Powerful CAS-enabled HP Prime graphing calculator with color display

HP Prime 400 MHz processor (ARM architecture), 32 MB RAM, 256 MB Flash

USB connection for data transfer

With WYNGS protective case black

Hp 35S Technical Scientific Calculator + Wyngs Protective Case Black

WYNGS
4062401023749
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SSL Unlimited 9.84

Features

HP 35S Scientific Calculator including a WYNGS Protective Case

The well fitted sturdy hard case protects the calculator HP 35S from scratches and other damage

he perfect fit of the case ensures that the calculator HP 35S cannot slip and is well fixed

The protective case is closed with a zipper, which runs over three sides

Perfect protection for the HP35S. Ultra Slim and lightweight

#TOP10

Hewlett Packard 10Bii+ - 10B Ii Plus Financial Scientific Calculator + Wyngs Protective Case Black

WYNGS
4062401026221
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
SSL Unlimited 9.85

Features

The HP 10bII+ is the smart choice for business and finance needs.

You'll be able to work quicker and more efficiently with over 100 time-saving, easily-accessible business functions.

Easily calculate loan payments, interest rates and conversions, standard deviation, percent, TVM, NPV, IRR, cash flows, and more.

With so many useful features, and an affordable price, the calculator from Hewlett and Packard, HP 10BII+ adds up to a wise investment. Permitted for use on the CFP Certification Exam.

Perfect Protection for the HP 10 BII Plus

#TOP11
Best For Hp

Hp F2240Aa#Aba Smartcalc 300S Scientific Calculator

HEWLETT PACKARD
F2240AA#ABA
6.54 X 3.15 X 0.63 Inches
0.26 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Imagine Believe Today 9.96

Features

Ideal for - General math, pre-algebra/algebra, trigonometry, statistics, geometry, biology, chemistry, physics, and earth sciences>BR>Features -

Entry-system logic - Algebraic

Math functions - Sign change, +, /, -, x, =, square root, %, fractions, mixed numerals, fraction to decimal conversion, sexagesimal (degree, minute, second), variables (A, B, C, D, X, Y), trigonomic, inverse trigonometric, exponential, logarithmic, powers, factorial (!), absolute value (Abs), random number, rounding, polar-rectangular conversions, permutation and combination.

Added features - Navigation pad, memory calculations, snap-on protective cover.

Power System - Solar powered with 1 x LR44 battery as back-up. Auto-power off 5 to 10 minutes.

Zaracle For Graphing Calculator Texas Instruments Ti-84 / Plus Ce Hard Eva Carry Case Handheld Storage Case Travel Bag Protective Pouch Box (Gray)

ZARACLE
43211-1628
0.22 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Zaracle 9.67

Features

Extensive compatibility:This case could be applied to most of Graphing, Scientific and Fnancial calculators.Such like Texas Instruments TI-84, TI-83, TI-85, TI-89, TI-82, Plus / C silver edition graphic calculator. HP 50g / prime graphing calculator. prizm / fx-9750GII graphing calculator and so on.

Superior Raw Material: Made of superior EVA which is Dust-proof and wearable, and it also can provides good protection of your calculator from Scratched and bumps while carrying.

Strong protection:Add a soft sponge layer to prevent the calculator and the accessories from collision.

Convenient design:Built-in net pouch on the inside of the lid to store other necessary accessories (such like charger cords, pencil, eraser, ruler)for convenient using.

Easy to carry around.Built-in lanyard for easier carrying directly or kept it in the backpack as your like.

#TOP13
Best For Usb

Hestech Graphing Calculator Case For Texas Instruments Ti-84 Plus Ce/Ti-84 Plus/Ti-83 Plus/Ti-83 Plus Ce Color,Ti 84 Graphing Calculator Case With Handle For Ruler, Rubber, Usb Cables,Black

HESTECH
XL29-SNOW-BLACK
3.55 X 3.39 X 9.00 Inches
0.32 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
HESTECH 9.86

Features

【Sturdy Frame】HESTECH ti 84 plus ce case is made from durable, tear-resistant nylon and polyester that retains its shape and prevents the calculator from being crushed. It also provides all-round protection against scratches, dust, bumps and accidental drops, and effectively blocks water and steam without worrying about getting splashed or wet, helping to extend the life of the graphing calculator.

【Internal Dimensions】9*3.55*3.39 in.HESTECH calculator case with internal mesh zippered pocket fits most graphing, scientific and financial calculators such as the Texas Instruments TI-83 Plus,TI-84 Plus,TI-84 Plus CE,TI-89 Titanium,TI-82/80 | TI Nspire CX CAS. Nspire CX II CAS,TI-Nspire CX II CAS,TI-Nspire CAS,TI-Nspire CX II,Nspire CX CAS,TI-Nspire CX | Casio FX-9750GIII | PRIZM FX-CG50,FX-9860GII,FX- 9750GAPLUS | HP G8X92AA LA Prime v2, HP 50g/48G Graphing Calculator.

【Well Organised】 HESTECH ti 84 case has enough space for many other school supplies and can store a bunch of graphing calculator charger cables, pens and pencils, and highlighters. The zipped mesh pocket is ideal for storing small study accessories such as an eraser or mini handheld pencil sharpener, stickers, paper tape and elasticated pens for securing.

【Easy to Carry】With a durable and comfortable wrist strap that is easy to put in and take out of your backpack, this organizer is great for taking with you during outdoor activities, camping, road trips, hiking, trekking, fishing, or wherever you go.

【Gift Ideas】Double smooth zip makes it easy to insert and remove your graphing calculator anytime, anywhere.Simple and elegant which is perfect for students and architects of all ages. It provides the most powerful help for them to pursue their dreams and is a great gift for kids, students, teachers, artists, friends and family for graduation, Halloween, birthdays and Christmas!

Hp 10Bii Plus Financial Calculator – Hp Calculator – Finance Calculator, 12-Digit Lcd, Silver & Black

COURT STREET OFFICE SUPPLIES
‎HP-10BII
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Court House Supplies 9.92

Features

VERSATILE CALCULATOR - The HP 10BII plus financial calculator has been engineered to help you quickly perform complicated calculations with ease. With this powerful and versatile calculator, you can perform calculations with precision, confidence and speed.

SUITABLE FOR MULTIPLE COURSES –This financial calculator is best used for Accounting; Banking; Business Studies; Finance; General Math; Real Estate; Science; Statistics; Pre-Algebra/Algebra.

COMPACT SIZE - Designed to fit easily into your briefcase, backpack, or purse, this small scientific calculator is perfect for students, teachers, engineers, financial analysts, and many more. A convenient backlit display makes it easy to work with in low-light conditions and the keys are designed for ease of use.

EASY TO LEARN AND USE - The HP 10BII Plus Financial Calculator is a powerful pocket-sized assistant, offering financial and statistical analysis in a portable design. Easy-to-learn and use. Dedicated keys provide fast access to common financial and statistical functions.

FAST AND POWERFUL - Capable of performing advanced functions for financial, statistical, and business calculations, this HP 10BII finance calculator has all you need for quick and accurate solutions.

PERMANENT MARKER INCLUDED – The calculator comes with 1 piece of Court Street Office Supplies Black Permanent Marker for your writing, drawing, and labeling needs.

#TOP15

Fitsand Hard Case Compatible For Hp 50G Graphing Calculator

FITSAND
GCHCJSQ5
0.26 pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FitSand 9.77

Features

Case External Size: 8.5 * 5 * 2 inch, Weight:120g

Well made case: Durable and smooth 360¡ã two-way zipper with delicate stitching , convenient for you to put in and out the case.

High Quality EVA : Hard shell with Waterproof and Shockproof material. Soft inner flannel texture preventing shock and pressure. Extending your product service life, protect your product a new life.

Safety Guarantee: Hard EVA Material is Shockproof Dustproof and Waterproof to protect your HP 50g Graphing Calculator from impacts and splashes.

Package Includes: 1 x Hard Case (For sale is case only (device and accessories are sold separately) )

#TOP16

Fitsand Hard Case For Hp 12C Platinum Calculator Travel Zipper Carry Eva Hard Box

FITSAND
ZIPHC053
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
FitSand 9.77

Features

Case External Size: inch, Weight: g

Well made case: Durable and smooth 360¡ã two-way zipper with delicate stitching , convenient for you to put in and out the case.

High Quality EVA : Hard shell with Waterproof and Shockproof material. Soft inner flannel texture preventing shock and pressure. Extending your product service life, protect your product a new life.

Safety Guarantee: Hard EVA Material is Shockproof Dustproof and Waterproof to protect your HP 12C Platinum Calculator from impacts and splashes.

Package Includes: 1 x Case (For sale is case only (device and accessories are sold separately) )

Top 10 calculators Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Fitsand 3
Paiyule 3
Wyngs 3
Co2Crea 1
Court Street Office Supplies 1
Hestech 1
Hewlett Packard 1
Hp 1
Sms 1
Zaracle 1

Top 10 calculators Brands Pie Chart


We've carried out a comprehensive analysis of 2,804 reviews on calculators, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select calculators priced around $85.70, with top brands including and

Our team of expert editors reviewed these high-quality items and handpicked the top 16 calculators for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .

We are dedicated to assisting our users in finding the right calculators Products based on their needs, saving them considerable time when choosing which calculators to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.