Best Electronic Calculators Deals - Top 10 in September 2025
Last Update: 19. September 2025
1
Best Choice
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
CATIGA
FREE delivery**
- 552 FUNCTIONS SCIENTIFIC CALCULATOR: Includes spreadsheet, matrix calculations, statistics, calculus, complex number calculations, equation calculations, standard deviation, vector calculations, permutations and combinations. Perfect for Advanced and Beginner courses including Biology, Chemistry, Physics, Finance and Business.
- USER FRIENDLY FORMAT: Displays formulas and expressions as they appear in textbooks, simplifying learning and problem-solving. This feature ensures that complex equations are presented in a clear, structured manner, making it easier for users to follow along and verify their work, ultimately enhancing accuracy and understanding in both educational and professional settings
- LARGE HIGH RESOLUTION SCREEN: The high-resolution LCD display is 32% larger than regular two-line calculators, showing intricate details ideal for advanced operations such as spreadsheets and 4x4 matrix calculations. The spacious screen allows graphs and equations to be displayed simultaneously, enhancing the clarity and precision of your work
- DUAL POWER SOURCE: Features both solar power and a battery backup, guaranteeing continuous performance for crucial calculations, making it reliable and efficient for use in any environment
- DURABILITY and QUALITY: Engineered with strong materials, SS-991EX withstands extensive use, providing long-term reliability. If your calculator fails to turn on, try pressing the reset button on the back. For further issues, benefit from our 365-day limited warranty. Contact us, and we'll respond within 24 hours
| Colour | Brand | Weight |
| 2) 991-EX Black | CATIGA | - |
£2499
2
Best Value
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Helix
TODAY 36% OFF!
£32.99
(36% DISCOUNT!)
FREE delivery**
- EVERYTHING IN ONE BOX - With this comprehensive Helix Oxford school supply set, you’ll have everything at your fingertips to conquer heading back to school or college. This set comes recommended by High Schools for use in Maths lessons and is packed in plastic free, card packaging.
- SCIENTIFIC CALCULATOR - Included in this remarkable collection is the Oxford Scientific Calculator, designed to support both key stage 3 and 4 Mathematics. With its fraction function and advanced features, this calculator will become your reliable mathematical ally, simplifying complex calculations and ensuring accuracy in your studies.
- OXFORD MATHS SET - The Helix Oxford Set is a full school stationery set of essential tools, including a self-centring metal compass, 9cm graphite pencil for use in compass, eraser, pencil sharpener, 15cm/6” clear ruler with metric and imperial graduations, 45° and 60° set squares, 180° protractor, 10mm lettering stencil and a useful school timetable and Maths fact sheet.
- EXTRAS - This pencil case kit also includes Oxford Erasable colouring pencils in a pack of 12, HB eraser-tipped pencils as well as six reliable ballpoint stick pens, a 30cm folding ruler for on-the-go convenience, a glue stick for effortless bonding, and a clear pencil case that's ideal for exam use.
- SAFETY - From the tamper proof pencil sharpener screw to prevent accidents, to the self-centering compass with safety point as well as the PVC, phthalate and latex free eraser, we’ve taken every measure to provide you with a safe and worry-free school stationery experience. Part of the trusted and traditional Helix Oxford range, known for its premium quality and reliability, established in 1887.
| Colour | Brand | Weight |
| Oxford Blue | Helix | - |
£2099
RRP: £32.99
-36%
3
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Bimormat
TODAY 25% OFF!
£7.99
(25% DISCOUNT!)
FREE delivery**
- ♪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.
| Colour | Brand | Weight |
| classic black | Bimormat | - |
£599
RRP: £7.99
-25%
4
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Casio
FREE delivery**
- Large and clear 12 digit display
- Dual powered (solar with battery backup)
- Percentage Calculation
- 3-Key Memory
- 3 Digit Comma markers
| Colour | Brand | Weight |
| MX-12 | Casio | - |
£600
5
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Casio
TODAY 33% OFF!
£16.49
(33% DISCOUNT!)
FREE delivery**
- 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
| Colour | Brand | Weight |
| Black | Casio | - |
£1098
RRP: £16.49
-33%
6
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Levomat
TODAY 5% OFF!
£5.69
(5% DISCOUNT!)
FREE delivery**
- Electronic Desktop Calculator, AA batteries included.
- DUAL POWER: Solar and Battery, solar function works even in the dim light
- Large LCD display with 12 digits make it more useful for large calculations.
- DURABLE SILICONE BUTTON: Good sense of touch, ABS plastic material, light weight. Reasonable configuration and comfortable operation.
| Colour | Brand | Weight |
| Black | Levomat | - |
£539
Was: £5.69
-5%
7
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
5 Plus Group
FREE delivery**
- Wide Compatibility: Works with multiple models including LR1130, AG10, SR1130, SR1131, 389, 390, LR54, 189, 387A – perfect for watches, calculators, toys, remotes, and more
- Long-Lasting Power: 1.5V alkaline batteries deliver reliable and consistent performance for your small electronics
- Safe & Eco-Friendly: Mercury-free, leak-resistant design ensures a safe option for everyday devices and the environment
- Convenient 10-Pack: Get 10 high-quality button cell batteries, providing long-lasting power for a variety of devices
- Extended Shelf Life: Enjoy up to 3 years of shelf life when properly stored, keeping your spare batteries ready when you need them most
| Colour | Brand | Weight |
| - | 5 Plus | 10 g |
£299
8
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
HIHUHEN
TODAY 15% OFF!
£8.97
(15% DISCOUNT!)
FREE delivery**
- 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.
| Colour | Brand | Weight |
| 1 x Calculator | HIHUHEN | 200 g |
£762
RRP: £8.97
-15%
9
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
AAJ
FREE delivery**
- Large LCD Display: Large LCD display makes it easier to visualize performed calculations compared to horizontal displays. Perfect for office, school or home use. The 12-digit calculator has an LCD display that is inclined at a fixed 30 angle, which is exactly in your field of vision and is clearer than the straight display.Large and separate buttons make each press more accurate.
- SOLAR & BATTERY DUAL POWER: The AAJ calculator offer dual power solar and battery powered, so that operation is guaranteed even in poor lighting conditions.
- Multi-Function: Add, subtract, multiply, divide, backspace, grand total, CE, %, M+/M-/MRC, ON/AC button, and auto Power-Off. The desktop calculator will turn itself off after about 6 minutes of being idle.
- Ideal For School And Office: This basic office calculator is suitable for business, office, home, school or anyone who needs to do any type of calculation from time to time and can help people to be more efficient in the office or study.
- Warranty: We provide 1 year replacement and refund for calculator 12 digits. If any quality problems, please contact us directly. We can also give you an excellent customer service team that can help you make the perfect shopping experience.
| Colour | Brand | Weight |
| Black | AAJ | - |
£615
10
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
5 Plus Group
FREE delivery**
- Reliable 1.5V Power – Delivers stable, high-performance energy for small electronics requiring LR41-type batteries
- Broad Compatibility – Replaces LR41, AG3, 392, 192, SR41SW, L736, LR736—works with a wide range of devices and brands
- Versatile Applications – Ideal for watches, thermometers, calculators, small toys, laser pointers, hearing aids, and more
- Long Shelf Life – Leak-resistant construction ensures batteries stay fresh and ready for use, even after long storage
- Safe & Mercury-Free - friendly design that meets safety standards; safe for everyday household use
| Colour | Brand | Weight |
| - | 5 Plus | 10 g |
£299
* the possibly used term "best" etc. refers only to our possibly subjective personal opinion.
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