| ComX Computers - since 2002 • home » computer hardware | Thu 24 Sep, 2026 |  | |||
 |  | ||||
| |||||
 | |||||
|
|
| ||||
| | | | | |
|
Calculators | ||||
| There are 48 products in Calculators
Displaying products 1 - 48 of 48 products Canon AS-8 compact and stylish 8-digit handheld calculator, features the smart arc design and a 360-degree upward folding durable cover, making the AS-8 ideal for use in an office or on the go, Upper, lower case, Large LCD display. This product has been added to the cart. What would you like to do now: Canon AS-8 Calculators, 8-digit LCD; handheld calculator; battery powered; 1 x LR1130; memory functions; percentage calculation; sign change; automatic power-off; 360-degree folding hard cover; recycled Canon materials; 97 x 60 x 11.4mm; 41g This product has been added to the cart. What would you like to do now: Marlin 56 Functions Scientific Calculator - 10 Digit, 56 Programmed Scientific Functions, Auto Power Off, Battery Power Source, Colour Black, Retail Packaging, No Warranty This product has been added to the cart. What would you like to do now: Sentry Twin Pack Home and Office Calculators - 12 Digit Desk Top Calculator and 8 Digit Pocket Calculator, Multi-coloured keys, Dual Power, Auto Power Off, Ergonomic Design, Durable Keys, Suitable For Daily Use, Ideal For School, Home Or Office Use, Colour Black, Retail Packaging, No Warranty This product has been added to the cart. What would you like to do now: Sharp EL231 White LB Pocket Calculator; 8-digit LCD; large display; raised keys; percentage; square root; memory; battery powered; 1 x AA battery; white; 6.9 x 11.55 x 2.05 cm; 0.068 kg This product has been added to the cart. What would you like to do now: Casio 815L Black Pocket Calculator This product has been added to the cart. What would you like to do now: Canon AS-220RTS 12-digit mini-desktop calculator, incorporates a stylish Arc design enabling it to suit all offices, Other features include 120-steps Check and Correct, Auto Check function, and angled display. This product has been added to the cart. What would you like to do now: Sentry Triple Pack Home and Office Calculators - 12 Digit Desk Top Calculator, 8 Digit Pocket Calculator, Scientific Calculator With 240 Programmed Functions, Multi-Coloured Keys, Dual Power, Auto Power Off, Ergonomic Design, Durable Keys, Suitable For Daily Use, Ideal For School, Home Or Office Use, Colour Black, Retail Packaging, No Warranty This product has been added to the cart. What would you like to do now: Canon AS-220RTS 12-digit mini-desktop calculator, incorporates a stylish Arc design enabling it to suit all offices, Other features include 120-steps Check and Correct, Auto Check function, and angled display. This product has been added to the cart. What would you like to do now: Canon AS-8 Calculator; pocket handheld; LR1130 battery; 97x60x11mm; 41g; memory functions M+ M- RM CM; folding protective cover; auto power off This product has been added to the cart. What would you like to do now: Canon As-2400 14-digit Desktop Calculator, Combines A Stylish Arc Design With Substantial Environmental Credentials - Making It Ideal For Eco-conscious Organizations And Individuals, Solar And Mercury-free Battery, Rounding And Decimal Selection, Auto-power Off, Stylish And Professional, Adjustable (2-level) Lcd Display Panel. This product has been added to the cart. What would you like to do now: Sharp EL-S25 Blue Calculator This product has been added to the cart. What would you like to do now: Sharp EL531 WH-BK Black Scientific Calculator This product has been added to the cart. What would you like to do now: Casio 815L Black Pocket Calculator This product has been added to the cart. What would you like to do now: Sharp EL-CC12D Desk calculator - 300 step check and correct - Black, 12-digits This product has been added to the cart. What would you like to do now: Sharp EL330AB White Mini-Desk Calculator; 8-digit angled LCD; twin power; solar and LR44 battery; Cost Sell Margin; Tax calculation; 3-key memory; automatic power down; 14.7 x 10.2 x 3.1 cm; 0.096 kg This product has been added to the cart. What would you like to do now: Sharp EL331F White Calculator This product has been added to the cart. What would you like to do now: Sharp EL-145T Desk Calculator - 14 Digit Tax This product has been added to the cart. What would you like to do now: Canon AS-220RTS Calculator; 12-digit desktop calculator; large LCD display; tax calculation; business calculation; 120-step check and correct; auto check; dual power; solar and LR44 battery; memory functions; mark-up calculation; auto power off; 150 x 134 x 36mm; 150g This product has been added to the cart. What would you like to do now: Casio MS-20UC Green 12 Digit Desktop Calculator This product has been added to the cart. What would you like to do now: Casio MS-20UC Orange 12 Digit Desktop Calculator This product has been added to the cart. What would you like to do now: Casio MS-20UC Red 12 Digit Desktop Calculator This product has been added to the cart. What would you like to do now: Sharp EL-334 Mini White Desk Calculator This product has been added to the cart. What would you like to do now: Canon AS-2400 14-digit desktop calculator, combines a stylish Arc design with substantial environmental credentials - making it ideal for Eco-conscious organizations and individuals, solar and mercury-free battery, Rounding and decimal selection, Auto-power off, Stylish and professional, Adjustable (2-level) LCD Display Panel. This product has been added to the cart. What would you like to do now: Sharp EL535 Scientific Calculator 330 Functions - Red Colour *Image is a representation of the layout of the calculator, colour is RED This product has been added to the cart. What would you like to do now: Casio FX-82 ZA Plus II standard Scientific Calculator - Black, 10 + 2 digits digits, Dot Matrix Display This product has been added to the cart. What would you like to do now: Casio FX-82 ZA Plus II standard Scientific Calculator - Blue, 10 + 2 digits digits, Dot Matrix Display This product has been added to the cart. What would you like to do now: Casio FX-82 ZA Plus II standard Scientific Calculator - Pink, 10 + 2 digits digits, Dot Matrix Display This product has been added to the cart. What would you like to do now: Casio FX-82 ZA Plus II standard Scientific Calculator - Blue, 10 + 2 digits digits, Dot Matrix Display This product has been added to the cart. What would you like to do now: Casio FX-82 ZA Plus II standard Scientific Calculator - Black, 10 + 2 digits digits, Dot Matrix Display This product has been added to the cart. What would you like to do now: Casio FX-82 ZA Plus II standard Scientific Calculator - Pink, 10 + 2 digits digits, Dot Matrix Display This product has been added to the cart. What would you like to do now: Casio FX-82 MS Black Scientific Calculator This product has been added to the cart. What would you like to do now: Casio FX-82 ZA Plus Scientific Calculator Black, Developed in Collaberation with South African Educators for the SA Syllabus This product has been added to the cart. What would you like to do now: Casio FX 82ZA+ Scientific Calculator Blue, Developed in Collaberation with South African Educators for the SA Syllabus This product has been added to the cart. What would you like to do now: Casio FX 82ZA+ Scientific Calculator Pink, Developed in Collaberation with South African Educators for the SA Syllabus This product has been added to the cart. What would you like to do now: Sharp EL2128V Black Calculator This product has been added to the cart. What would you like to do now: Sharp EL387V White Multi Function Calculator This product has been added to the cart. What would you like to do now: Sharp EL-738 FB - Advanced Financial Calculator with Scientific functions - Black, 2 line LCD Display, Chain calculation, Finance functions, Statistics mode This product has been added to the cart. What would you like to do now: Casio FX-991 ZA Plus Scientific Calculator Silver, Developed in collaboration with SA educators for the South African Curriculum This product has been added to the cart. What would you like to do now: Casio FC100V Silver Financial Calculator This product has been added to the cart. What would you like to do now: Texas Instruments BA ii Plus Financial Calculator, Black This product has been added to the cart. What would you like to do now: HP 12C Platinum Black & Silver (Algebraic or RPN) Financial Calculator; Over 130 built in functions; 399 step programming; 20 memory registers; 1 line LCD; 15 digit precision; CR2032 battery; 12.9 x 7.9 x 1.5 cm; 0.116 kg This product has been added to the cart. What would you like to do now: Canon MP-1211-LTSC Calculator, MP - 1211-LTSC 12 DIGIT / TAX / COST, SALES, MARGIN / 2 COLOUR DISPLAY / Cash change function / Ink Ribbon) This product has been added to the cart. What would you like to do now: Sharp EL-2607V Premium fast Printer Calculator - AC Powered, 12 Display digits, Mains Backup, 327 x 221 x 78 mm, Black & Red printing colours, 4.3 lines / sec printing Speed, Standard 58 x 80 mm paperroll, Ink Ribbon This product has been added to the cart. What would you like to do now: HP 17Bii Plus Black & Silver Business Calculator (Algebraic or RPN) - HP Solve This product has been added to the cart. What would you like to do now: Sharp EL-T3314 printing Calculator, Ability to change between 14 and 10-digit Display. The Sharp EL-T3314 printing calculator offers switchable 14- and 10-digit thermal printing for clear, precise calculations. Ideal for accountants, office use, and students, it combines reliability and ease of use in a compact design perfect for professional tasks. This product has been added to the cart. What would you like to do now: HP F2231AA Black 12c Desktop Calculator; 10-digit LCD; RPN entry system; 120+ functions; TVM NPV IRR support; business finance use; battery powered; black finish This product has been added to the cart. What would you like to do now: HP 17BII FINANCIAL CALCULATOR This product has been added to the cart. What would you like to do now: Category information
More information about Calculators
Filter by brand
Brand filters for "calculators" are available from the brand icons at the top of this page.
Modern Electronic Calculators: Features, Keys, and FunctionsModern electronic calculators are equipped with keyboards featuring keys for digits and basic arithmetic operations. Some advanced models also include special keys such as "double zero" (00) and "triple zero" (000) to speed up the entry of large numbers. Calculator Keyboards and Multi-Function ButtonsWhile most basic calculators assign a single function to each key, specialized calculators often allow multiple functions per button. This flexibility enables faster and more efficient data entry, especially for technical or financial calculations. Display TechnologyModern calculators typically use liquid crystal displays (LCDs), which are energy-efficient and easy to read. Older calculators relied on vacuum fluorescent displays (VFDs). When displaying fractions such as 1/3, calculators use decimal approximations (e.g., 0.33333333). Scientific calculators can also represent numbers as vulgar fractions or mixed numbers for improved clarity - especially for repeating decimals such as 1/7 (0.14285714285714 to 14 significant figures). Memory Functions and Formula StorageBasic calculators typically store only one number in memory at a time. In contrast, scientific and specialized calculators can store multiple values as variables, which can then be used in formulas. Some advanced calculators even extend memory capacity to store multiple numbers and formulas, using array indexes for efficient data organization. Power SourcesCalculators may be powered by batteries, solar cells, electricity, or a combination of these sources—ensuring functionality in different environments. Basic Calculator Keys and Functions
Many models also include a CE (Clear Everything) function, which clears the full calculation rather than just the last entry. ConclusionFrom basic number crunching to complex formula storage, modern calculators are versatile tools. Their combination of functional keys, advanced memory options, clear display technology, and flexible power sources makes them essential in education, business, science, and engineering. Products per page: | |||||
 | | | |
Up
Down
Mobile store
