Best Calculators of 2025

Last updated on 18/09/2025
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1
Casio fx-83GTCW Pink Scientific Calculator
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Casio fx-83GTCW Pink Scientific Calculator
Casio
24% OffFree Shipping
Why we love it
  • Upgraded and enhanced features.
  • Permitted in UK exams.
  • Includes a protective cover.
Main Highlights
  • Casio fx-83GTCW is the UK's best-selling scientific calculator
  • fx-83GT CW is the new upgraded version of the fx-83GT X
  • Allowed in every UK exam where a calculator can be used
  • Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving.
  • Clip-on on protective hard cover included
  • Ideal exam calculator for: GCSE Foundation SQA National 4/5
Show More
9.9
Exceptional
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9.9
Exceptional
Casio
Casio fx-83GTCW Pink Scientific Calculator
24% OffFree Shipping
Why we love it
  • Upgraded and enhanced features.
  • Permitted in UK exams.
  • Includes a protective cover.
Main Highlights
  • Casio fx-83GTCW is the UK's best-selling scientific calculator
  • fx-83GT CW is the new upgraded version of the fx-83GT X
  • Allowed in every UK exam where a calculator can be used
  • Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving.
  • Clip-on on protective hard cover included
  • Ideal exam calculator for: GCSE Foundation SQA National 4/5
Show More
Value for Money
2
Casio fx-85GTCW Black Scientific Calculator
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Casio fx-85GTCW Black Scientific Calculator
Casio
35% OffFree Shipping
Why we love it
  • Highly recommended for exams.
  • Dual power for reliability.
  • Upgraded for better performance.
Main Highlights
  • Casio fx-85GTCW is the UK's best-selling dual-powered scientific calculator
  • fx-85GTCW is the new upgraded version of the fx-85GT X
  • Allowed in every UK exam where a calculator can be used.
  • Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving
  • Dual powered, solar with battery back up and Auto power-off.
  • Ideal exam calculator for: GCSE Foundation SQA National 4/5
Show More
9.8
Exceptional
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9.8
Exceptional
Casio
Casio fx-85GTCW Black Scientific Calculator
35% OffFree Shipping
Why we love it
  • Highly recommended for exams.
  • Dual power for reliability.
  • Upgraded for better performance.
Main Highlights
  • Casio fx-85GTCW is the UK's best-selling dual-powered scientific calculator
  • fx-85GTCW is the new upgraded version of the fx-85GT X
  • Allowed in every UK exam where a calculator can be used.
  • Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving
  • Dual powered, solar with battery back up and Auto power-off.
  • Ideal exam calculator for: GCSE Foundation SQA National 4/5
Show More
3
Casio fx-83GTCW Black Scientific Calculator
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Casio fx-83GTCW Black Scientific Calculator
Casio
33% OffFree Shipping
Why we love it
  • UK's best-selling scientific calculator.
  • Upgraded version with improvements.
  • Allowed in UK exams.
Main Highlights
  • Casio fx-83GTCW is the UK's best-selling scientific calculator
  • fx-83GTCW is the new upgraded version of the fx-83GT X
  • Allowed in every UK exam where a calculator can be used
  • Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving.
  • Clip-on on protective hard cover included
  • Ideal exam calculator for: GCSE Foundation SQA National 4/5
Show More
9.7
Exceptional
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9.7
Exceptional
Casio
Casio fx-83GTCW Black Scientific Calculator
33% OffFree Shipping
Why we love it
  • UK's best-selling scientific calculator.
  • Upgraded version with improvements.
  • Allowed in UK exams.
Main Highlights
  • Casio fx-83GTCW is the UK's best-selling scientific calculator
  • fx-83GTCW is the new upgraded version of the fx-83GT X
  • Allowed in every UK exam where a calculator can be used
  • Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving.
  • Clip-on on protective hard cover included
  • Ideal exam calculator for: GCSE Foundation SQA National 4/5
Show More
4
RENUS 2-Line Engineering Scientific Calculator Function Calculator for Student and Teacher
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RENUS 2-Line Engineering Scientific Calculator Function Calculator for Student and Teacher
RENUS
Free Shipping
Why we love it
  • Perfect for math students.
  • Reduces double-counting errors.
  • Comfortable ergonomic design.
Main Highlights
  • RENUS 2-Line Engineering Scientific Calculator
  • Powered by 2 AAA batteries (Included)
  • Rugged slide-off protective hard case
  • Robust, professional grade scientific calculator helps you explore math and science concepts.
Show More
9.6
Superb
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9.6
Superb
RENUS
RENUS 2-Line Engineering Scientific Calculator Function Calculator for Student and Teacher
Free Shipping
Why we love it
  • Perfect for math students.
  • Reduces double-counting errors.
  • Comfortable ergonomic design.
Main Highlights
  • RENUS 2-Line Engineering Scientific Calculator
  • Powered by 2 AAA batteries (Included)
  • Rugged slide-off protective hard case
  • Robust, professional grade scientific calculator helps you explore math and science concepts.
Show More
5
Helix Oxford Scientific Calculator for Key Stage 3 and 4 Maths - 240 Functions - Protective Cover - Plastic Free Packaging
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Helix Oxford Scientific Calculator for Key Stage 3 and 4 Maths - 240 Functions - Protective Cover - Plastic Free Packaging
Helix
33% OffFree Shipping
Why we love it
  • Two-line display simplifies calculations.
  • Durable with protective cover.
  • Ideal for various math levels.
Main Highlights
  • With an impressive 240 functions, this calculator is equipped to handle all tasks from basic arithmetic for school and everyday use, to complex scientific calculations. It's a versatile tool for all your mathematical needs and accessible for all ages and abilities.
  • Enhanced Visibility: The large, two-line display shows both the calculation formula and its result simultaneously. This feature allows for easy verification of equations and reduces the risk of errors – especially during exams, making your calculations more efficient and 100% accurate.
  • Precision and Clarity: The display shows up to 10 digits along with 2-digit exponents, ensuring that even the most detailed calculations are clear and precise for all to read.
  • Educational Excellence: Designed to meet the curriculum requirements for Key Stage 3 and 4 Mathematics, this calculator is an essential tool for students aiming to excel in their studies.
  • Versatile Use: Whether you're performing basic calculations or tackling advanced scientific problems, this calculator is up to the task. It's perfect for students, teachers, and professionals alike.
  • Durable Protection: The hard protective sliding cover shields the calculator from damage, ensuring it stays in excellent condition even with frequent use. Built to Last: The durable plastic keys are designed to withstand heavy use, providing a reliable and long-lasting user experience.
  • Easily replaceable batteries ensure that your calculator remains perfectly functional for years to come, providing a cost-effective choice for your studies and every day needs.
Show More
9.4
Superb
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9.4
Superb
Helix
Helix Oxford Scientific Calculator for Key Stage 3 and 4 Maths - 240 Functions - Protective Cover - Plastic Free Packaging
33% OffFree Shipping
Why we love it
  • Two-line display simplifies calculations.
  • Durable with protective cover.
  • Ideal for various math levels.
Main Highlights
  • With an impressive 240 functions, this calculator is equipped to handle all tasks from basic arithmetic for school and everyday use, to complex scientific calculations. It's a versatile tool for all your mathematical needs and accessible for all ages and abilities.
  • Enhanced Visibility: The large, two-line display shows both the calculation formula and its result simultaneously. This feature allows for easy verification of equations and reduces the risk of errors – especially during exams, making your calculations more efficient and 100% accurate.
  • Precision and Clarity: The display shows up to 10 digits along with 2-digit exponents, ensuring that even the most detailed calculations are clear and precise for all to read.
  • Educational Excellence: Designed to meet the curriculum requirements for Key Stage 3 and 4 Mathematics, this calculator is an essential tool for students aiming to excel in their studies.
  • Versatile Use: Whether you're performing basic calculations or tackling advanced scientific problems, this calculator is up to the task. It's perfect for students, teachers, and professionals alike.
  • Durable Protection: The hard protective sliding cover shields the calculator from damage, ensuring it stays in excellent condition even with frequent use. Built to Last: The durable plastic keys are designed to withstand heavy use, providing a reliable and long-lasting user experience.
  • Easily replaceable batteries ensure that your calculator remains perfectly functional for years to come, providing a cost-effective choice for your studies and every day needs.
Show More
6
Calculators HIHUHEN Large Calculator Solar & Battery Power 12 Digit Display Multi-Functional Big Button for Business Office School Calculating (1 x Calculator)
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Calculators HIHUHEN Large Calculator Solar & Battery Power 12 Digit Display Multi-Functional Big Button for Business Office School Calculating (1 x Calculator)
HIHUHEN
15% OffFree Shipping
Why we love it
  • Solar or battery powered convenience.
  • Clear display with 12 digits.
  • User-friendly with memory functions.
Main Highlights
  • Dual power ways: Solar power or 1 AA battery (Battery Included) , energy saving and convenient.
  • Adopt Japanese LCD screen, 12 digits, display data clearly.
  • Support +/-(negative)，%，√ calculation; Rounding off & decimal place setting; CE/C (part/all clear), MC/MR/M+/M- (memory) key.
  • Auto shut-down in 8min if no further operation.
  • Big ABS plastic button, offer accurate positioning and comfortable texture, support >1 million times press.
Show More
9.3
Superb
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9.3
Superb
HIHUHEN
Calculators HIHUHEN Large Calculator Solar & Battery Power 12 Digit Display Multi-Functional Big Button for Business Office School Calculating (1 x Calculator)
15% OffFree Shipping
Why we love it
  • Solar or battery powered convenience.
  • Clear display with 12 digits.
  • User-friendly with memory functions.
Main Highlights
  • Dual power ways: Solar power or 1 AA battery (Battery Included) , energy saving and convenient.
  • Adopt Japanese LCD screen, 12 digits, display data clearly.
  • Support +/-(negative)，%，√ calculation; Rounding off & decimal place setting; CE/C (part/all clear), MC/MR/M+/M- (memory) key.
  • Auto shut-down in 8min if no further operation.
  • Big ABS plastic button, offer accurate positioning and comfortable texture, support >1 million times press.
Show More
7
WECKEW Scientific Calculator, Engineering Scientific Calculator with 240 Function 2-Line LCD Display - Suitable for School Students, Teachers and Business Use (Navy blue)
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WECKEW Scientific Calculator, Engineering Scientific Calculator with 240 Function 2-Line LCD Display - Suitable for School Students, Teachers and Business Use (Navy blue)
WECKEW
11% OffFree Shipping
Why we love it
  • Offers 240 diverse scientific functions.
  • Two-line display enhances usability.
  • Designed for robust longevity.
Main Highlights
  • [240 Functions] - Professional grade scientific calculator With 240 Scientific Functions. Includes percentages, trigonometry, summation, fractions, regressions, and permutations/combinatorics.
  • [2-Line Display ] - It has 2-line display shows entry and calculated result at same time.
  • [Robust Design] - With an included sliding cover, It is built with fracture resistant plastic that allows long term use. The buttons are responsive and can withstand millions of inputs.
  • [Multipurpose] - Apply to school, office or engineering, business, and more. Its practicability could meet the needs of various digital fields, and ideal for student.
  • [Comfortable Grip] - Meets the ergonomics design and offers a comfortable grip.
Show More
9.2
Superb
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9.2
Superb
WECKEW
WECKEW Scientific Calculator, Engineering Scientific Calculator with 240 Function 2-Line LCD Display - Suitable for School Students, Teachers and Business Use (Navy blue)
11% OffFree Shipping
Why we love it
  • Offers 240 diverse scientific functions.
  • Two-line display enhances usability.
  • Designed for robust longevity.
Main Highlights
  • [240 Functions] - Professional grade scientific calculator With 240 Scientific Functions. Includes percentages, trigonometry, summation, fractions, regressions, and permutations/combinatorics.
  • [2-Line Display ] - It has 2-line display shows entry and calculated result at same time.
  • [Robust Design] - With an included sliding cover, It is built with fracture resistant plastic that allows long term use. The buttons are responsive and can withstand millions of inputs.
  • [Multipurpose] - Apply to school, office or engineering, business, and more. Its practicability could meet the needs of various digital fields, and ideal for student.
  • [Comfortable Grip] - Meets the ergonomics design and offers a comfortable grip.
Show More
8
lohey Calculator, 12 Digit Desk Calculators with Large Display and Big Sensitive Button, Solar and Battery Dual Power, Pink Calculator Large Stationery for Office Home School (Pink)
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lohey Calculator, 12 Digit Desk Calculators with Large Display and Big Sensitive Button, Solar and Battery Dual Power, Pink Calculator Large Stationery for Office Home School (Pink)
lohey
Free Shipping
Why we love it
  • Long-lasting battery life assured.
  • Ergonomic big buttons enhance usability.
  • Clear display reduces eye strain.
Main Highlights
  • DUAL POWER: Dual solar and battery power give this product long-lasting battery life so you never have to worry about running out of power. There is also an automatic shutdown function. The Calculators will turn itself off after about 8 minutes of inactivity (AA batteries included)
  • BIG BUTTON: Calculators is designed with scientific big buttons, which is ergonomic and comfortable to touchand easy to read.Big buttons make your input flow and comfortable; Raised button design makes your input accurate and fast; Sturdy plastic keys for long-lasting use
  • CLEAR DISPLAY:Calculators offers 4-inch and clear 12-digit display that is easy to read and use, reducing eye strain.Features easy-to-read 12 digits LCD display, the big screen clearly shows the numbers, suitable for all kinds of study and office scenes
  • HIGHLY MATERIAL: Well-made and durable plastic allow you to use them continuously without any wear and tear, very durable
  • EASY TO USE: Designed to sit flat on a desk, countertop or desk, it is easy and convenient to use, whether at home or in the office
Show More
9.0
Superb
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9.0
Superb
lohey
lohey Calculator, 12 Digit Desk Calculators with Large Display and Big Sensitive Button, Solar and Battery Dual Power, Pink Calculator Large Stationery for Office Home School (Pink)
Free Shipping
Why we love it
  • Long-lasting battery life assured.
  • Ergonomic big buttons enhance usability.
  • Clear display reduces eye strain.
Main Highlights
  • DUAL POWER: Dual solar and battery power give this product long-lasting battery life so you never have to worry about running out of power. There is also an automatic shutdown function. The Calculators will turn itself off after about 8 minutes of inactivity (AA batteries included)
  • BIG BUTTON: Calculators is designed with scientific big buttons, which is ergonomic and comfortable to touchand easy to read.Big buttons make your input flow and comfortable; Raised button design makes your input accurate and fast; Sturdy plastic keys for long-lasting use
  • CLEAR DISPLAY:Calculators offers 4-inch and clear 12-digit display that is easy to read and use, reducing eye strain.Features easy-to-read 12 digits LCD display, the big screen clearly shows the numbers, suitable for all kinds of study and office scenes
  • HIGHLY MATERIAL: Well-made and durable plastic allow you to use them continuously without any wear and tear, very durable
  • EASY TO USE: Designed to sit flat on a desk, countertop or desk, it is easy and convenient to use, whether at home or in the office
Show More
9
Bimormat Desktop Calculators Solar & Battery Power 12 Digit Large LCD Display with Included AA Battery Power for Business Office School Home(classic black)
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Bimormat Desktop Calculators Solar & Battery Power 12 Digit Large LCD Display with Included AA Battery Power for Business Office School Home(classic black)
Bimormat
25% OffFree Shipping
Why we love it
  • Dual power for convenience.
  • Responsive big button design.
  • Large, clear 12-bit display.
Main Highlights
  • ♪DUAL POWER♪：The desktop calculator is powered by a dual power supply of solar panels and AA battery(1 AA Battery included) for long life and is not affected by the interruption of electricity during use.（NOTE:Some user may use calculator in the early morning or night.The screen maybe difficult to read in low light without battery power.Please insert our AA battery for continuous and accurate usage.）
  • ♪RESPONSIVE BIG BUTTON♪：The large calculator has environmentally friendly plastic large keys,more suitable for fingers,comfortable touch and fast response.
  • ♪COMFORTABLE ANGLE & LARGE DISPLAY♪:The Calculator is designed with a raised head,so that the display angle of the screen can meet the human eyesight habits.The screen adopts a 12-bit LCD display,which can easily and clearly view the screen content.
  • ♪FOUR-POINT NON-SLIP BASE♪The bottom of this basic calculator adopts four-point silicone non-slip pad,which makes the calculator stand stably on the table,stable operation is not easy to slip.
  • ♪MULTIPOPULATION APPLICABILITY♪This basic desktop calculator is designed for a wide range of applications:desktop office,financial calculations,Supermarket calculation,family budgeting,student computing,etc.,to improve efficiency and accuracy.
Show More
8.9
Excellent
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8.9
Excellent
Bimormat
Bimormat Desktop Calculators Solar & Battery Power 12 Digit Large LCD Display with Included AA Battery Power for Business Office School Home(classic black)
25% OffFree Shipping
Why we love it
  • Dual power for convenience.
  • Responsive big button design.
  • Large, clear 12-bit display.
Main Highlights
  • ♪DUAL POWER♪：The desktop calculator is powered by a dual power supply of solar panels and AA battery(1 AA Battery included) for long life and is not affected by the interruption of electricity during use.（NOTE:Some user may use calculator in the early morning or night.The screen maybe difficult to read in low light without battery power.Please insert our AA battery for continuous and accurate usage.）
  • ♪RESPONSIVE BIG BUTTON♪：The large calculator has environmentally friendly plastic large keys,more suitable for fingers,comfortable touch and fast response.
  • ♪COMFORTABLE ANGLE & LARGE DISPLAY♪:The Calculator is designed with a raised head,so that the display angle of the screen can meet the human eyesight habits.The screen adopts a 12-bit LCD display,which can easily and clearly view the screen content.
  • ♪FOUR-POINT NON-SLIP BASE♪The bottom of this basic calculator adopts four-point silicone non-slip pad,which makes the calculator stand stably on the table,stable operation is not easy to slip.
  • ♪MULTIPOPULATION APPLICABILITY♪This basic desktop calculator is designed for a wide range of applications:desktop office,financial calculations,Supermarket calculation,family budgeting,student computing,etc.,to improve efficiency and accuracy.
Show More
10
Casio MX-12 Desk Calculator 12-digit Display
Casio MX-12 Desk Calculator 12-digit Display
Casio
Free Shipping
Why we love it
  • Large display for easy viewing.
  • Eco-friendly solar power option.
  • Effortless percentage calculations available.
Main Highlights
  • Large and clear 12 digit display
  • Dual powered (solar with battery backup)
  • Percentage Calculation
  • 3-Key Memory
  • 3 Digit Comma markers
Show More
8.7
Excellent
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8.7
Excellent
Casio
Casio MX-12 Desk Calculator 12-digit Display
Free Shipping
Why we love it
  • Large display for easy viewing.
  • Eco-friendly solar power option.
  • Effortless percentage calculations available.
Main Highlights
  • Large and clear 12 digit display
  • Dual powered (solar with battery backup)
  • Percentage Calculation
  • 3-Key Memory
  • 3 Digit Comma markers
Show More

We scanned 1272 products

We reviewed these offers relevant to the Calculators within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Casio, RENUS, Helix, HIHUHEN, WECKEW, lohey, Bimormat, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Calculators in the market, we considered we took a deep dive into 6361 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

  • The clear winner of our analysis is Casio fx-83GTCW Pink Scientific Calculator. We love many things about this product by Casio. What sets it apart from the competition is Upgraded and enhanced features. , Permitted in UK exams. , Includes a protective cover.
  • The best value product for most shoppers and where user satisfaction is continuously the highest is Casio fx-85GTCW Black Scientific Calculator by Casio based on online reviews by bloggers, experts and online shoppers.
  • The biggest bargain at the moment for Calculators and the best cost-to-value ratio is Casio fx-85GTCW Black Scientific Calculatorat Casio with a 35% discount.
  • Our list of the best Calculators is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.