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Engineers calculator

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991ex classwiz advanced - fx-991ex,

991ex classwiz advanced - fx-991ex,

£12.55 · Buy It Now

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Casio 991ex classwiz - casio, fx-991ex

Casio 991ex classwiz - casio, fx-991ex

£13.29 · Buy It Now

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Pro 991ex classwiz advanced - pro,

Pro 991ex classwiz advanced - pro,

£11.99 · Buy It Now

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Pro 991ex classwiz advanced - pro, fx-991ex

Pro 991ex classwiz advanced - pro, fx-991ex

£12.89 · Buy It Now

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Casio 991ex classwiz - fx-991ex,

Casio 991ex classwiz - fx-991ex,

£13.83 · Buy It Now

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Pro 991ex classwiz advanced - pro,

Pro 991ex classwiz advanced - pro,

£12.99 · Buy It Now

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Solar scientific calculator - solar,

Solar scientific calculator - solar,

£9.73 · Buy It Now

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Pro 991ex classwiz advanced - pro, fx-991ex

Pro 991ex classwiz advanced - pro, fx-991ex

£11.99 · Buy It Now

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Casio 991ex classwiz - fx-991ex,

Casio 991ex classwiz - fx-991ex,

£13.49 · Buy It Now

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Line engineering scientific - line,

Line engineering scientific - line,

£9.40 · Buy It Now

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Renus line engineering - 2-line,

Renus line engineering - 2-line,

£9.72 · Buy It Now

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Casio 991ex classwiz - casio,

Casio 991ex classwiz - casio,

£13.44 · Buy It Now

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Genuine casio 991ex - genuine,

Genuine casio 991ex - genuine,

£39.99 · Buy It Now

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991ex advanced engineering - fx-991ex,

991ex advanced engineering - fx-991ex,

£19.99 · Buy It Now

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991ex scientific calculator - fx-991ex,

991ex scientific calculator - fx-991ex,

£12.94 · Buy It Now

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Casio 991cw classwiz - fx-991cw,

Casio 991cw classwiz - fx-991cw,

£18.38 · Buy It Now

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991es classwiz advanced - fx-991es,

991es classwiz advanced - fx-991es,

£11.39 · Buy It Now

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Vintage 1984 ncr field - 1984,

Vintage 1984 ncr field - 1984,

£18.29 · Buy It Now

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991 plus advanced - fx-991,

991 plus advanced - fx-991,

£15.08 · Buy It Now

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Line digit engineering - 12-digit,

Line digit engineering - 12-digit,

£4.99 · Buy It Now

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Line engineering scientific - engineering,

Line engineering scientific - engineering,

£9.89 · Buy It Now

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Line engineering scientific - engineering,

Line engineering scientific - engineering,

£10.72 · Buy It Now

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Vintage sinclair scientific - vintage,

Vintage sinclair scientific - vintage,

£195.02 · Buy It Now

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Calculators hihuhen large - calculators,

Calculators hihuhen large - calculators,

£9.88 · Buy It Now

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82ms line scientific - kk-82ms,

82ms line scientific - kk-82ms,

£6.83 · Buy It Now

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Professional scientific - professional,

Professional scientific - professional,

£8.99 · Buy It Now

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Portable line lcd - portable,

Portable line lcd - portable,

£10.77 · Buy It Now

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New enhanced classwiz advanced - enhanced,

New enhanced classwiz advanced - enhanced,

£5.99 · Buy It Now

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Tradesman math and - tradesman,

Tradesman math and - tradesman,

£46.20 · Buy It Now

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Helect line engineering - 2,

Helect line engineering - 2,

£13.99 · Buy It Now

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Newyes scientific engineering - newyes,

Newyes scientific engineering - newyes,

£16.15 · Buy It Now

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Renus scientific calculator - renus,

Renus scientific calculator - renus,

£9.99 · Buy It Now

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Renus line engineering - renus,

Renus line engineering - renus,

£9.95 · Buy It Now

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Construction calculator - construction,

Construction calculator - construction,

£47.79 · Buy It Now

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Genuine casio 991ex - casio, fx-991ex

Genuine casio 991ex - casio, fx-991ex

£49.99 · Buy It Now

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Rugged line engineering - rugged, 2-line

Rugged line engineering - rugged, 2-line

£16.99 · Buy It Now

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991es classwiz advanced - classwiz,

991es classwiz advanced - classwiz,

£10.79 · Buy It Now

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Joinus 82tl scientific - joinus, js-82tl-1

Joinus 82tl scientific - joinus, js-82tl-1

£5.49 · Buy It Now

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Primmaa 991ex advanced - primmaa, fx-991ex

Primmaa 991ex advanced - primmaa, fx-991ex

£12.95 · Buy It Now

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Helect line engineering - line,

Helect line engineering - line,

£13.66 · Buy It Now

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Pro 991ex classwiz - pro, fx-991ex

Pro 991ex classwiz - pro, fx-991ex

£15.95 · Buy It Now

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Casio scientific - casio,

Casio scientific - casio,

£12.93 · Buy It Now

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Weckew 82ms scientific - weckew, yx-82ms

Weckew 82ms scientific - weckew, yx-82ms

£5.42 · Buy It Now

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Helect line engineering - helect,

Helect line engineering - helect,

£13.51 · Buy It Now

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Helect line engineering - helect,

Helect line engineering - helect,

£11.11 · Buy It Now

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Genuine casio 991ex - genuine, fx-991ex

Genuine casio 991ex - genuine, fx-991ex

£54.99 · Buy It Now

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Calculators hihuhen large - calculators,

Calculators hihuhen large - calculators,

£10.82 · Buy It Now

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Lcd 991ex classwiz advanced - classwiz,

Lcd 991ex classwiz advanced - classwiz,

£13.98 · Buy It Now

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Standard engineering - standard,

Standard engineering - standard,

£5.10 · Buy It Now

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Genuine casio 991ex - genuine, fx-991ex

Genuine casio 991ex - genuine, fx-991ex

£69.99 · Buy It Now

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Genuine casio 991ex - genuine, fx-991ex

Genuine casio 991ex - genuine, fx-991ex

£89.99 · Buy It Now

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Renus line engineering - renus, 2-line

Renus line engineering - renus, 2-line

£11.95 · Buy It Now

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Casio 7400g site engineer - fx-7400g+,

Casio 7400g site engineer - fx-7400g+,

£42.29 · Buy It Now

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Scientific calculator writing - scientific,

Scientific calculator writing - scientific,

£17.99 · Buy It Now

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Casio 991ex classwiz - fx-991ex,

Casio 991ex classwiz - fx-991ex,

£17.49 · Buy It Now

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Engineers scientific - engineers,

Engineers scientific - engineers,

£35.84 · Buy It Now

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Scientific calculator - scientific,

Scientific calculator - scientific,

£10.88 · Buy It Now

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Electrical engineer notebook - electrical,

Electrical engineer notebook - electrical,

£1.16 · Buy It Now

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Genuine casio 991ex - genuine, fx-991ex

Genuine casio 991ex - genuine, fx-991ex

£35.00 · Buy It Now

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Durable digital lcd scientific - digital,

Durable digital lcd scientific - digital,

£8.99 · Buy It Now

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Line scientific calculator - 2-line,

Line scientific calculator - 2-line,

£11.99 · Buy It Now

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Helect line engineering - 2,

Helect line engineering - 2,

£11.51 · Buy It Now

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Helect line engineering - helect,

Helect line engineering - helect,

£13.99 · Buy It Now

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Pro 991ex classwiz advanced - pro, fx-991ex

Pro 991ex classwiz advanced - pro, fx-991ex

£13.99 · Buy It Now

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991ex classwiz advanced - classwiz,

991ex classwiz advanced - classwiz,

£12.99 · Buy It Now

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Helect line engineering - helect, 2

Helect line engineering - helect, 2

£11.33 · Buy It Now

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Helect line engineering - helect,

Helect line engineering - helect,

£2.99 · Buy It Now

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Yebmoo scientific calculator - yebmoo,

Yebmoo scientific calculator - yebmoo,

£7.99 · Buy It Now

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Renus line engineering - 2-line,

Renus line engineering - 2-line,

£3.83 · Buy It Now

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Renus line engineering - renus, 2-line

Renus line engineering - renus, 2-line

£5.45 · Buy It Now

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Casio 991ex classwiz - fx-991ex,

Casio 991ex classwiz - fx-991ex,

£14.89 · Buy It Now

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Compact line engineering - 2-line,

Compact line engineering - 2-line,

£10.99 · Buy It Now

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991es classwiz advanced - classwiz,

991es classwiz advanced - classwiz,

£10.00 · Buy It Now

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Professional grade line - professional-grade, 2-line

Professional grade line - professional-grade, 2-line

£10.99 · Buy It Now

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Sharp 515 solar - sharp, cell

Sharp 515 solar - sharp, cell

£9.79 · Buy It Now

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Genuine casio 991ex - genuine, fx-991ex

Genuine casio 991ex - genuine, fx-991ex

£54.99 · Buy It Now

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Professional grade line - professional-grade, 2-line

Professional grade line - professional-grade, 2-line

£10.99 · Buy It Now

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Genuine casio 991ex - genuine,

Genuine casio 991ex - genuine,

£49.99 · Buy It Now

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Dual display engineering - dual,

Dual display engineering - dual,

£11.99 · Buy It Now

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991ex advanced engineering - fx-991ex,

991ex advanced engineering - fx-991ex,

£14.99 · Buy It Now

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Casio 991ex classwiz - casio,

Casio 991ex classwiz - casio,

£21.99 · Buy It Now

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Casio 991ex classwiz - casio, fx-991ex

Casio 991ex classwiz - casio, fx-991ex

£21.70 · Buy It Now

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991ex classwiz advanced - fx-991ex,

991ex classwiz advanced - fx-991ex,

£11.87 · Buy It Now

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Portable line engineering - 2-line,

Portable line engineering - 2-line,

£10.99 · Buy It Now

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991ex advanced engineering - fx-991ex,

991ex advanced engineering - fx-991ex,

£12.30 · Buy It Now

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Casio 83gtx scientific - casio, fx

Casio 83gtx scientific - casio, fx

£17.00 · Buy It Now

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Helect line engineering - helect,

Helect line engineering - helect,

£3.00 · Buy It Now

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Genuine casio 991ex - genuine,

Genuine casio 991ex - genuine,

£39.98 · Buy It Now

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Stylish 991ms scientific - stylish,

Stylish 991ms scientific - stylish,

£21.99 · Buy It Now

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Genuine casio 991ex - casio, fx-991ex

Genuine casio 991ex - casio, fx-991ex

£49.99 · Buy It Now

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Vintage power calculator and - power,

Vintage power calculator and - power,

£12.50 · Buy It Now

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Genuine casio 991ex - genuine, fx-991ex

Genuine casio 991ex - genuine, fx-991ex

£45.00 · Buy It Now

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New 991ex classwiz - new, fx-991ex

New 991ex classwiz - new, fx-991ex

£12.99 · Buy It Now

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Genuine casio 991ex - genuine,

Genuine casio 991ex - genuine,

£73.99 · Buy It Now

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Site engineer casio 7400g - engineer,

Site engineer casio 7400g - engineer,

£47.99 · Buy It Now

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991ex classwiz advanced - fx-991ex,

991ex classwiz advanced - fx-991ex,

£13.66 · Buy It Now

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📊96 listings · from £1.16 · avg £20.8
⚠️ These listings were last updated more than 14 days ago. Search for fresh listings

Browse 96 engineers calculator listings currently in our index. Prices range from £1.16 to £195.02, with an average of £20.8. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about engineers calculator →

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Everything you need to know about engineers calculator

Whether you are looking for a brand-new or second-hand engineers calculator, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at £1.16, while premium listings can reach £195.02 — giving you a wide budget spread to work with. The average price of £20.8 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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