Best Scientific Calculator For Secondary School Gcse of 2026

Last updated on 15/05/2026

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Casio New FX-991CW Advanced Scientific Calculator (UK Version)

Casio New FX-991CW Advanced Scientific Calculator (UK Version)

Approved for all UK exams.
Best-selling advanced calculator.
Dual powered and reliable.

Main Highlights

Casio fx-991 is the UK’s best-selling ‘advanced scientific’ calculator.
fx-991 CW is the new upgraded version of the fx-991 EX
Allowed in every UK exam where a calculator can be used
Approved for Key stages 3, 4 and 5, recommended for Advanced GCSE, A/AS level and Highers
Dual powered, solar with battery back up and auto power-off
Ideal exam calculator for: GCSE Higher SQA Higher

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Casio New FX-991CW Advanced Scientific Calculator (UK Version)

Approved for all UK exams.
Best-selling advanced calculator.
Dual powered and reliable.

Main Highlights

Casio fx-991 is the UK’s best-selling ‘advanced scientific’ calculator.
fx-991 CW is the new upgraded version of the fx-991 EX
Allowed in every UK exam where a calculator can be used
Approved for Key stages 3, 4 and 5, recommended for Advanced GCSE, A/AS level and Highers
Dual powered, solar with battery back up and auto power-off
Ideal exam calculator for: GCSE Higher SQA Higher

Value for Money

KAPEK Scientific Calculator + Math Set for Schools | 2-Line Display | 10-Piece Geometry Set | Ruler, Compass, Protractor | 240+ Integrated Functions | GCSE Math Bundle | Black

KAPEK Scientific Calculator + Math Set for Schools | 2-Line Display | 10-Piece Geometry Set | Ruler, Compass, Protractor | 240+ Integrated Functions | GCSE Math Bundle | Black

All-in-one math solution included.
Over 200 functions available.
Exam ready for student success.

Main Highlights

ALL-IN-ONE MATHS SET – Bring out the genius in your child with the patented KAPEK Scientific Calculator and Geometry Set. This money-saving bundle includes scientific calculator, 2 x HB pencils, sharpener, eraser, compass, divider, 18cm ruler, 30˚ angle, 90˚ angle, and protractor.
OVER 200 INTEGRATED FUNCTIONS – The powerful scientific calculator can solve basic calculations, percentages, trigonometry, regressions, logarithms, and many more making it ideal for general maths, algebra, statistics, engineering, and physics.
EXAM READY – The built-in clock and digital timer allow students to effectively manage their time during examinations. The KAPEK bundle is recommended and approved for use within Key Stage 3 and 4, GCSE, National and Higher, Junior and Leaving certificates.
ERGONOMIC DESIGN - At 26.5cm x 12.3cm, this nifty bundle can easily slot into any drawer, bag, or pocket. The quality EVA exterior creates vigour, allowing the set to withstand the knocks and bumps associated with daily school and office life.
CHOOSE FROM 6 COLOURS – Available in black, blue, pink, purple, orange, and yellow, this practical set makes the perfect present for children, classmates, or friends. Get ready to take your maths skills to the next level.

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KAPEK Scientific Calculator + Math Set for Schools | 2-Line Display | 10-Piece Geometry Set | Ruler, Compass, Protractor | 240+ Integrated Functions | GCSE Math Bundle | Black

All-in-one math solution included.
Over 200 functions available.
Exam ready for student success.

Main Highlights

ALL-IN-ONE MATHS SET – Bring out the genius in your child with the patented KAPEK Scientific Calculator and Geometry Set. This money-saving bundle includes scientific calculator, 2 x HB pencils, sharpener, eraser, compass, divider, 18cm ruler, 30˚ angle, 90˚ angle, and protractor.
OVER 200 INTEGRATED FUNCTIONS – The powerful scientific calculator can solve basic calculations, percentages, trigonometry, regressions, logarithms, and many more making it ideal for general maths, algebra, statistics, engineering, and physics.
EXAM READY – The built-in clock and digital timer allow students to effectively manage their time during examinations. The KAPEK bundle is recommended and approved for use within Key Stage 3 and 4, GCSE, National and Higher, Junior and Leaving certificates.
ERGONOMIC DESIGN - At 26.5cm x 12.3cm, this nifty bundle can easily slot into any drawer, bag, or pocket. The quality EVA exterior creates vigour, allowing the set to withstand the knocks and bumps associated with daily school and office life.
CHOOSE FROM 6 COLOURS – Available in black, blue, pink, purple, orange, and yellow, this practical set makes the perfect present for children, classmates, or friends. Get ready to take your maths skills to the next level.

Casio fx-85GTCW+ Scientific Calculator Black (UK Version) - Upgrade from previous fx-85GTCW model

Casio fx-85GTCW+ Scientific Calculator Black (UK Version) - Upgrade from previous fx-85GTCW model

Comprehensive calculation features.
Rich statistics and functions.
Fun simulations and power.

Main Highlights

fx-85GTCW+ is the new upgraded version of the fx-85GTCW
CALCULATION: arithmetic, trigonometry, logarithms, exponential, hyperbolic, equivalent ratio, number line
STATISTICS: mean, standard deviation, quartiles, regression
FUNCTIONS: table of values (2 functions)
SIMULATION: dice roll, coin toss, number line, unit circle
POWER: Solar panel, battery backup

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Casio fx-85GTCW+ Scientific Calculator Black (UK Version) - Upgrade from previous fx-85GTCW model

Comprehensive calculation features.
Rich statistics and functions.
Fun simulations and power.

Main Highlights

fx-85GTCW+ is the new upgraded version of the fx-85GTCW
CALCULATION: arithmetic, trigonometry, logarithms, exponential, hyperbolic, equivalent ratio, number line
STATISTICS: mean, standard deviation, quartiles, regression
FUNCTIONS: table of values (2 functions)
SIMULATION: dice roll, coin toss, number line, unit circle
POWER: Solar panel, battery backup

WECKEW Scientific Calculator,991ES Plus II 2 Line 10+2 Digits Written Display 417 Function Solar and Battery Calculators for Students Secondary School College

WECKEW Scientific Calculator,991ES Plus II 2 Line 10+2 Digits Written Display 417 Function Solar and Battery Calculators for Students Secondary School College

Comprehensive functions for all levels.
User-friendly visual problem solving.
Durable design for everyday use.

Main Highlights

【417 Functions 】With 417 functions for fractions, exponents, matrix calculations, statistics, Scientific Calculator covers most of the scientific functions that students from middle school through college will need to use in their courses and on exams. Reading instruction attached will help you know how to use and find these functions.
【Natural Formula Visualization】Displays fractions, integrals, and equations in a Classroom-standard format. Step-by-step tracking helps students understand problem-solving logic, while teachers can demonstrate derivative calculations from four perspectives.
【Dual Power 】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.
【 High Durability】 - The body of this scientific calculator Comes with new slide-on hard case, undergoes rigorous quality tests, no need to worry about the damage by accidentally falling.
【Essential School Supplies】 Suitable for SAT, GCSE, etc... Functionally complete with a stylish design, color scheme, and exterior, making it highly suitable for middle school students and above.

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WECKEW Scientific Calculator,991ES Plus II 2 Line 10+2 Digits Written Display 417 Function Solar and Battery Calculators for Students Secondary School College

Comprehensive functions for all levels.
User-friendly visual problem solving.
Durable design for everyday use.

Main Highlights

【417 Functions 】With 417 functions for fractions, exponents, matrix calculations, statistics, Scientific Calculator covers most of the scientific functions that students from middle school through college will need to use in their courses and on exams. Reading instruction attached will help you know how to use and find these functions.
【Natural Formula Visualization】Displays fractions, integrals, and equations in a Classroom-standard format. Step-by-step tracking helps students understand problem-solving logic, while teachers can demonstrate derivative calculations from four perspectives.
【Dual Power 】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.
【 High Durability】 - The body of this scientific calculator Comes with new slide-on hard case, undergoes rigorous quality tests, no need to worry about the damage by accidentally falling.
【Essential School Supplies】 Suitable for SAT, GCSE, etc... Functionally complete with a stylish design, color scheme, and exterior, making it highly suitable for middle school students and above.

OSALO Scientific Calculator 417 Function 2 Line 10+2 Digits Written Display Solar and Battery Calculators for Students Secondary School College Black (OS 991ES Plus 2nd Edition)

OSALO Scientific Calculator 417 Function 2 Line 10+2 Digits Written Display Solar and Battery Calculators for Students Secondary School College Black (OS 991ES Plus 2nd Edition)

417 versatile scientific functions.
Textbook-like written display.
Dual power for reliability.

Main Highlights

【417 Functions Scientific Calculator】With 417 functions for fractions, exponents, matrix calculations, statistics, integral, algebra, complex number calculations, standard deviation, solving for variables, permutations and combinations, and linear regression, Scientific Calculator covers most of the scientific functions that students from middle school through college will need to use in their courses and on exams. Reading instruction attached will help you know how to use and find these functions.
【Written Display Scientific Calculator】Input expressions and arithmetic operations same as written form in the textbook, which is more easy to read than traditional calculators. The 2 line display shows both input and calculation results,convenient for students to check the calculation process and results.
【Brightness Adjustment Function】The screen brightness can be adjusted by simple operation to get the best display effect, dimming to relieve eye fatigue, brightening to get clearer display results, to improve the calculation efficiency.
【Dual Power Source Electronic Calculator】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.
【Ultra-light & Portable】Weight: 5.1oz. (145g); Size: 164 x 80 x 17(mm)/6.4 x 3.15 x 0.6 7(inch); Material: ABS plastic. With slide-on hard case, convenient to carry it outside and hold it on one hand.

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OSALO Scientific Calculator 417 Function 2 Line 10+2 Digits Written Display Solar and Battery Calculators for Students Secondary School College Black (OS 991ES Plus 2nd Edition)

417 versatile scientific functions.
Textbook-like written display.
Dual power for reliability.

Main Highlights

【417 Functions Scientific Calculator】With 417 functions for fractions, exponents, matrix calculations, statistics, integral, algebra, complex number calculations, standard deviation, solving for variables, permutations and combinations, and linear regression, Scientific Calculator covers most of the scientific functions that students from middle school through college will need to use in their courses and on exams. Reading instruction attached will help you know how to use and find these functions.
【Written Display Scientific Calculator】Input expressions and arithmetic operations same as written form in the textbook, which is more easy to read than traditional calculators. The 2 line display shows both input and calculation results,convenient for students to check the calculation process and results.
【Brightness Adjustment Function】The screen brightness can be adjusted by simple operation to get the best display effect, dimming to relieve eye fatigue, brightening to get clearer display results, to improve the calculation efficiency.
【Dual Power Source Electronic Calculator】Solar and battery,double safe uninterruptible power,environmental protection and energy saving advantages.
【Ultra-light & Portable】Weight: 5.1oz. (145g); Size: 164 x 80 x 17(mm)/6.4 x 3.15 x 0.6 7(inch); Material: ABS plastic. With slide-on hard case, convenient to carry it outside and hold it on one hand.

Casio fx-85GTCW Black Scientific Calculator

Casio fx-85GTCW Black Scientific Calculator

Highly recommended for exams.
Dual power for reliability.
Upgraded for better performance.

Main Highlights

We now have a new upgraded version of this calculator, check out the new Casio fx-85GTCW+ range now! Availiable in 4 colours
Casio fx-85GTCW is the UK's best-selling dual-powered scientific calculator
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.

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Casio fx-85GTCW Black Scientific Calculator

Highly recommended for exams.
Dual power for reliability.
Upgraded for better performance.

Main Highlights

We now have a new upgraded version of this calculator, check out the new Casio fx-85GTCW+ range now! Availiable in 4 colours
Casio fx-85GTCW is the UK's best-selling dual-powered scientific calculator
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.

Scientific Calculator with 417 Functions, 991ES Plus Black Maths Calculator for Secondary School and University, 4-Line Textbook Display, Folding Cover, Ideal for GCSE Exams

Scientific Calculator with 417 Functions, 991ES Plus Black Maths Calculator for Secondary School and University, 4-Line Textbook Display, Folding Cover, Ideal for GCSE Exams

Comprehensive functions for exams.
Clear four line display.
Portable folding design.

Main Highlights

Comprehensive Functions For Exam Success: Confidently tackle secondary school and university maths problems without needing multiple devices. This 991ES Plus scientific calculator features 417 built-in functions, including fraction calculations and list-based statistics. It covers complete syllabus requirements, making it an essential tool for GCSE and A-Level preparations
Clear Four Line Textbook Display: Read and write complex equations exactly as they appear in your maths textbooks to minimise input errors. The upgraded 4-line synchronous screen visualises natural formulas clearly instead of cramming them into a single line. A multi-replay function allows you to scroll through previous calculations to easily review your work
Portable Folding Design: Keep your calculator safe from scratches and drops when carrying it in a crowded school backpack. Crafted with a sleek folding mechanism, a refined water plating process, and textured materials for a comfortable grip. This compact build ensures the screen and buttons are fully protected while remaining lightweight for daily transport
Highly Responsive Plastic Buttons: Type equations faster and more accurately during high-pressure, timed examinations. Designed with highly sensitive, tactile plastic keys that register every press precisely. The ergonomic layout reduces finger fatigue and ensures you never miss a digit when calculating lengthy statistical data
Reliable And Long Lasting Battery: Focus purely on your studies with the peace of mind that your calculator will not power down mid-exam. Equipped with a replaceable button battery that offers an extended lifespan for years of academic use. An intelligent auto power-off function automatically saves energy when the device is left idle

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Scientific Calculator with 417 Functions, 991ES Plus Black Maths Calculator for Secondary School and University, 4-Line Textbook Display, Folding Cover, Ideal for GCSE Exams

Comprehensive functions for exams.
Clear four line display.
Portable folding design.

Main Highlights

Comprehensive Functions For Exam Success: Confidently tackle secondary school and university maths problems without needing multiple devices. This 991ES Plus scientific calculator features 417 built-in functions, including fraction calculations and list-based statistics. It covers complete syllabus requirements, making it an essential tool for GCSE and A-Level preparations
Clear Four Line Textbook Display: Read and write complex equations exactly as they appear in your maths textbooks to minimise input errors. The upgraded 4-line synchronous screen visualises natural formulas clearly instead of cramming them into a single line. A multi-replay function allows you to scroll through previous calculations to easily review your work
Portable Folding Design: Keep your calculator safe from scratches and drops when carrying it in a crowded school backpack. Crafted with a sleek folding mechanism, a refined water plating process, and textured materials for a comfortable grip. This compact build ensures the screen and buttons are fully protected while remaining lightweight for daily transport
Highly Responsive Plastic Buttons: Type equations faster and more accurately during high-pressure, timed examinations. Designed with highly sensitive, tactile plastic keys that register every press precisely. The ergonomic layout reduces finger fatigue and ensures you never miss a digit when calculating lengthy statistical data
Reliable And Long Lasting Battery: Focus purely on your studies with the peace of mind that your calculator will not power down mid-exam. Equipped with a replaceable button battery that offers an extended lifespan for years of academic use. An intelligent auto power-off function automatically saves energy when the device is left idle

WECKEW Scientific Calculators, Math Calculator with 417 Functions, 2 Line 10+2 Digits Written Display Scientific Calculator for Secondary School/College/Business/Office (991ES PLUS)

WECKEW Scientific Calculators, Math Calculator with 417 Functions, 2 Line 10+2 Digits Written Display Scientific Calculator for Secondary School/College/Business/Office (991ES PLUS)

15% OffLimited time deal

417 essential scientific functions.
Clear dual-line display.
Compact and durable design.

Main Highlights

【417 Functions Scientific Calculator】The scientific calculator has 417 functions and covers the most scientific functions what college students need to use at university. Reading instruction attached will help you know how to use and find these functions.
【Dual -Line Display】 This maths calculator with 12-digit widescreen LCD display provides a clear interface. The dual-line display feature allows you to view both the input and the solution simultaneously, minimizing errors and enhancing overall efficiency. This makes complex calculations easy and manageable.
【Wide Applications】 | With its comprehensive capabilities and functionalities, this calculator is suitable for a variety of professional and academic fields. It is a valuable tool for algebra, physics, geometry, gcse and other courses, offering great assistance in solving complex equations and performing statistical analysis.
【Compact and Durable 】The scientific calculator is made up with high-quality materials to ensure durability and long-lasting performance. Nice color matching: Matte silver panel & blue back, The compact and lightweight design, make it easy to carry and use anywhere. The scratch-proof design and soft buttons feel comfortable while using.
【Multi-Functional Keyboard】The calculator has a keyboard with many scientific symbols and function keys built-in, making it easy to perform various calculations and functions. Especially for people who need to perform scientific calculations frequently, this keyboard design can greatly improve their calculation efficiency, such as teachers, engineers, college students, nurses, and accountants.

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WECKEW Scientific Calculators, Math Calculator with 417 Functions, 2 Line 10+2 Digits Written Display Scientific Calculator for Secondary School/College/Business/Office (991ES PLUS)

15% OffLimited time deal

417 essential scientific functions.
Clear dual-line display.
Compact and durable design.

Main Highlights

【417 Functions Scientific Calculator】The scientific calculator has 417 functions and covers the most scientific functions what college students need to use at university. Reading instruction attached will help you know how to use and find these functions.
【Dual -Line Display】 This maths calculator with 12-digit widescreen LCD display provides a clear interface. The dual-line display feature allows you to view both the input and the solution simultaneously, minimizing errors and enhancing overall efficiency. This makes complex calculations easy and manageable.
【Wide Applications】 | With its comprehensive capabilities and functionalities, this calculator is suitable for a variety of professional and academic fields. It is a valuable tool for algebra, physics, geometry, gcse and other courses, offering great assistance in solving complex equations and performing statistical analysis.
【Compact and Durable 】The scientific calculator is made up with high-quality materials to ensure durability and long-lasting performance. Nice color matching: Matte silver panel & blue back, The compact and lightweight design, make it easy to carry and use anywhere. The scratch-proof design and soft buttons feel comfortable while using.
【Multi-Functional Keyboard】The calculator has a keyboard with many scientific symbols and function keys built-in, making it easy to perform various calculations and functions. Especially for people who need to perform scientific calculations frequently, this keyboard design can greatly improve their calculation efficiency, such as teachers, engineers, college students, nurses, and accountants.

Casio fx-83GTCW Blue Scientific Calculator

Casio fx-83GTCW Blue Scientific Calculator

Best-selling in the UK.
Allowed in all exams.
Includes protective hard cover.

Main Highlights

We now have a new upgraded version of this calculator, check out the new Casio fx-83GTCW+ now!
Casio fx-83GTCW is the UK's best-selling scientific calculator
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

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Casio fx-83GTCW Blue Scientific Calculator

Best-selling in the UK.
Allowed in all exams.
Includes protective hard cover.

Main Highlights

We now have a new upgraded version of this calculator, check out the new Casio fx-83GTCW+ now!
Casio fx-83GTCW is the UK's best-selling scientific calculator
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

Scientific Calculator School Supplies, ROATEE 991MS 401 Functions 2-Line Display Desktop Calculator with Sliding Cover, Solar Battery Dual Power Kawaii for Middle High School Student and Teacher Black

Scientific Calculator School Supplies, ROATEE 991MS 401 Functions 2-Line Display Desktop Calculator with Sliding Cover, Solar Battery Dual Power Kawaii for Middle High School Student and Teacher Black

Versatile functions for all subjects.
User-friendly dual-line display.
Durable and portable for students.

Main Highlights

Scientific Calculator for Students: ROATEE portable scientific calculator containing 401 functions such as scientific functions, scientific computation, complex number calculations, integrals, matrix calculations, vector calculations and so on.Suitable for middle school courses such as general mathematics, statistics, chemistry, biology, and general science
2-Line Display: Showing input and calculation results at the same time on the display. Greatly improves computational efficiency
Dust-resistant and Durable: ROATEE scientific calculator comes with a dust cover that can be placed at the back while in use and covered after use to prevent dust from entering. The portable size and durable material designed for students are not only convenient for storage and carrying but also have a longer service life
Dual Power Supply & More Sensitive Key: Solar panel + replaceable button battery for long term use. High quality plastic buttons, more sensitive and precise than silicone buttons, more comfortable to touch
Essential School Supplies: Suitable for SAT, GCSE, etc...Functionally complete with a stylish design, color scheme, and exterior, making it highly suitable for middle school students and above

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Scientific Calculator School Supplies, ROATEE 991MS 401 Functions 2-Line Display Desktop Calculator with Sliding Cover, Solar Battery Dual Power Kawaii for Middle High School Student and Teacher Black

Versatile functions for all subjects.
User-friendly dual-line display.
Durable and portable for students.

Main Highlights

Scientific Calculator for Students: ROATEE portable scientific calculator containing 401 functions such as scientific functions, scientific computation, complex number calculations, integrals, matrix calculations, vector calculations and so on.Suitable for middle school courses such as general mathematics, statistics, chemistry, biology, and general science
2-Line Display: Showing input and calculation results at the same time on the display. Greatly improves computational efficiency
Dust-resistant and Durable: ROATEE scientific calculator comes with a dust cover that can be placed at the back while in use and covered after use to prevent dust from entering. The portable size and durable material designed for students are not only convenient for storage and carrying but also have a longer service life
Dual Power Supply & More Sensitive Key: Solar panel + replaceable button battery for long term use. High quality plastic buttons, more sensitive and precise than silicone buttons, more comfortable to touch
Essential School Supplies: Suitable for SAT, GCSE, etc...Functionally complete with a stylish design, color scheme, and exterior, making it highly suitable for middle school students and above

We scanned 185 products

We reviewed these offers relevant to the Scientific Calculator For Secondary School Gcse 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, KAPEK, WECKEW, OSALO, Lumive, ROATEE, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Scientific Calculator For Secondary School Gcse in the market, we considered we took a deep dive into 926 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 New FX-991CW Advanced Scientific Calculator (UK Version). We love many things about this product by Casio. What sets it apart from the competition is Approved for all UK exams, Best-selling advanced calculator, Dual powered and reliable.
The best value product for most shoppers and where user satisfaction is continuously the highest is KAPEK Scientific Calculator + Math Set for Schools | 2-Line Display | 10-Piece Geometry Set | Ruler, Compass, Protractor | 240+ Integrated Functions | GCSE Math Bundle | Black by KAPEK based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Scientific Calculator For Secondary School Gcse and the best cost-to-value ratio is Casio New FX-991CW Advanced Scientific Calculator (UK Version)at Casio with a 44% discount.
Our list of the best Scientific Calculator For Secondary School Gcse 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.