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Sinclair calculator

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Sinclair calculator for sale on largest auction and classifieds sites

Home / Other Computer Accessories / Sinclair calculator refurbished & used for sale | For Sale UK
Sinclair scientific handheld - scientific,

Sinclair scientific handheld - scientific,

£120.30
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Vintage sinclair scientific - vintage,

Vintage sinclair scientific - vintage,

£134.50
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Sinclair oxford 200 calculator - sinclair,

Sinclair oxford 200 calculator - sinclair,

£19.90
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Sinclair excecutive memory - excecutive,

Sinclair excecutive memory - excecutive,

£103.66
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Sinclair sovereign led - sinclair,

Sinclair sovereign led - sinclair,

£83.90
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Vintage sinclair spectrum - vintage,

Vintage sinclair spectrum - vintage,

£187.90
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Sinclair cambridge pocket - sinclair,

Sinclair cambridge pocket - sinclair,

£29.99
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1976 working sinclair - 1976,

1976 working sinclair - 1976,

£141.10
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Sinclair oxford universal - sinclair,

Sinclair oxford universal - sinclair,

£20.00
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Limited edition sinclair - limited,

Limited edition sinclair - limited,

£208.70
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Timex sinclair 2068 - timex, personal

Timex sinclair 2068 - timex, personal

£363.70
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Sinclair sovereign calculator - sinclair,

Sinclair sovereign calculator - sinclair,

£78.70
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Sinclair cambridge calculator - sinclair,

Sinclair cambridge calculator - sinclair,

£79.00
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Sinclair spectrum retro - zx,

Sinclair spectrum retro - zx,

£80.00
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3368 vintage sinclair - vintage,

3368 vintage sinclair - vintage,

£49.95
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Sinclair zx80 vintage - sinclair,

Sinclair zx80 vintage - sinclair,

£618.70
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Sinclair scientific - sinclair,

Sinclair scientific - sinclair,

£40.00
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Vintage sinclair zx81 personal - vintage,

Vintage sinclair zx81 personal - vintage,

£83.89
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Sci z88 sinclair computer - sci,

Sci z88 sinclair computer - sci,

£52.70
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Spectrum computer software - spectrum,

Spectrum computer software - spectrum,

£57.90
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Sinclair spectrum vintage - zx,

Sinclair spectrum vintage - zx,

£51.66
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Vintage sinclair oxford - vintage,

Vintage sinclair oxford - vintage,

£25.00
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Sinclair spectrum computer - spectrum,

Sinclair spectrum computer - spectrum,

£10.80
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Sinclair zx81 home computer - home,

Sinclair zx81 home computer - home,

£52.70
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Sinclair spectrum james - zx, spectrum+2

Sinclair spectrum james - zx, spectrum+2

£99.99
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Sinclair spectrum 16k - sinclair, zx

Sinclair spectrum 16k - sinclair, zx

£59.00
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Vintage sinclair oxford 300 - vintage,

Vintage sinclair oxford 300 - vintage,

£30.86
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Sinclair spectrum 2 128k - sinclair,

Sinclair spectrum 2 128k - sinclair,

£119.99
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Vintage sinclair zx81 personal - zx81,

Vintage sinclair zx81 personal - zx81,

£39.89
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Sinclair spectrum 128k plus - sinclair,

Sinclair spectrum 128k plus - sinclair,

£104.69
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Z88 cambridge computer with - z88,

Z88 cambridge computer with - z88,

£99.50
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Sinclair spectrum 128k - sinclair, plus

Sinclair spectrum 128k - sinclair, plus

£104.69
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Sinclair vintage oxford - sinclair,

Sinclair vintage oxford - sinclair,

£23.97
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Replica sinclair science - replica, of

Replica sinclair science - replica, of

£50.00
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Sinclair enterprise - sinclair,

Sinclair enterprise - sinclair,

£207.66
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Sinclair spectrum computer - spectrum,

Sinclair spectrum computer - spectrum,

£10.80
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Sinclair oxford universal

Sinclair oxford universal

£55.82
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Sinclair spectrum 48k - sinclair,

Sinclair spectrum 48k - sinclair,

£59.99
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Sinclair sovereign calculator - sinclair,

Sinclair sovereign calculator - sinclair,

£141.78
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Sinclair spectrum 128k plus - zx,

Sinclair spectrum 128k plus - zx,

£111.75
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Sinclair high quality rgb - high,

Sinclair high quality rgb - high,

£15.99
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Sinclair vintage scientific - vintage,

Sinclair vintage scientific - vintage,

£94.30
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Sinclair spectrum 128k - zx,

Sinclair spectrum 128k - zx,

£17.99
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Sinclair oxford universal - sinclair,

Sinclair oxford universal - sinclair,

£42.30
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Vintage sinclair scientific - vintage,

Vintage sinclair scientific - vintage,

£125.50
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Sinclair spectrum 128k - sinclair,

Sinclair spectrum 128k - sinclair,

£208.70
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Sinclair zx81 computer vintage - computer,

Sinclair zx81 computer vintage - computer,

£49.99
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Sinclair vintage calculator - sinclair,

Sinclair vintage calculator - sinclair,

£15.08
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Sinclair spectrum 128k plus - sinclair,

Sinclair spectrum 128k plus - sinclair,

£150.00
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Sinclair spectrum 48k - zx,

Sinclair spectrum 48k - zx,

£99.95
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Sinclair spectrum vintage - sinclair, spectrum+

Sinclair spectrum vintage - sinclair, spectrum+

£47.50
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Sinclair spectrum zx81 - sinclair, ~

Sinclair spectrum zx81 - sinclair, ~

£4.99
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Vintage sinclair oxford 200 - vintage,

Vintage sinclair oxford 200 - vintage,

£21.50
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Sinclair spectrum computer - sinclair, zx

Sinclair spectrum computer - sinclair, zx

£8.99
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Sinclair programmable - sinclair,

Sinclair programmable - sinclair,

£239.90
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Rare sinclair cambridge - rare,

Rare sinclair cambridge - rare,

£68.30
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Sinclair zx81 memorypak 16k - sinclair,

Sinclair zx81 memorypak 16k - sinclair,

£129.99
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Sinclair zx81 vintage - sinclair, home

Sinclair zx81 vintage - sinclair, home

£49.99
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Vintage sinclair spectrum - zx,

Vintage sinclair spectrum - zx,

£64.99
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Sinclair zx81 home computer - zx81,

Sinclair zx81 home computer - zx81,

£39.89
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Sinclair cambridge memory - cambridge,

Sinclair cambridge memory - cambridge,

£39.99
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Sinclair zx spectrum - spectrum, 128k

Sinclair zx spectrum - spectrum, 128k

£84.99
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Sinclair zx81 personal - sinclair,

Sinclair zx81 personal - sinclair,

£80.00
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Sinclair zx80 computer - sinclair,

Sinclair zx80 computer - sinclair,

£598.30
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Sinclair zx81 computer - zx81, games

Sinclair zx81 computer - zx81, games

£25.50
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Sinclair spectrum retro - spectrum,

Sinclair spectrum retro - spectrum,

£11.95
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Sinclair spectrum black - spectrum, +2

Sinclair spectrum black - spectrum, +2

£78.70
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Vintage sinclaire cambridge - sinclaire,

Vintage sinclaire cambridge - sinclaire,

£55.00
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Vintage sinclair spectrum - sinclair, zx

Vintage sinclair spectrum - sinclair, zx

£35.00
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New sealed the spectrum - new,

New sealed the spectrum - new,

£84.99
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Rare jupiter ace vintage - rare,

Rare jupiter ace vintage - rare,

£769.00
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Cambridge z88 portable - cambridge,

Cambridge z88 portable - cambridge,

£94.30
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Sinclair spectrum 2a - sinclair, +2a

Sinclair spectrum 2a - sinclair, +2a

£15.99
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Sinclair spectrum 48k - spectrum,

Sinclair spectrum 48k - spectrum,

£59.99
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Sinclair spectrum computer - zx,

Sinclair spectrum computer - zx,

£8.99
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Sinclair spectrum 128k plus - zx,

Sinclair spectrum 128k plus - zx,

£94.30
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Vintage sinclair zx81 computer - vintage,

Vintage sinclair zx81 computer - vintage,

£80.00
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Original spectrum 48k - original, zx

Original spectrum 48k - original, zx

£99.99
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Sinclair zx80 computer - sinclair,

Sinclair zx80 computer - sinclair,

£379.00
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Vintage collectible pin badge - pin,

Vintage collectible pin badge - pin,

£4.96
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Sinclair spectrum 2 - +2, action

Sinclair spectrum 2 - +2, action

£139.99
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Vintage sinclair zx81 - vintage,

Vintage sinclair zx81 - vintage,

£120.00
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Century computer programming - computer,

Century computer programming - computer,

£20.95
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Yabba dabba doo flintstones - yabba,

Yabba dabba doo flintstones - yabba,

£4.91
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Sinclair spectrum 16k - spectrum,

Sinclair spectrum 16k - spectrum,

£79.95
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Vintage james bond - vintage,

Vintage james bond - vintage,

£239.89
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Spectrum pico sinclair - pico,

Spectrum pico sinclair - pico,

£62.06
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World class leader board - board, for

World class leader board - board, for

£35.99
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Mickey mouse the computer - mickey, mouse:

Mickey mouse the computer - mickey, mouse:

£9.99
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Sinclair spectrum computer - sinclair,

Sinclair spectrum computer - sinclair,

£23.99
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1400 sinclair spectrum - sinclair, zx

1400 sinclair spectrum - sinclair, zx

£10.80
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Spectrum pico 128k 48k - spectrum,

Spectrum pico 128k 48k - spectrum,

£103.66
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Sinclair spectrum computer - sinclair,

Sinclair spectrum computer - sinclair,

£8.99
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Vintage sinclair 128k - vintage, zx

Vintage sinclair 128k - vintage, zx

£69.99
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Sinclair spectrum 128k plus - zx,

Sinclair spectrum 128k plus - zx,

£161.89
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Sinclair spectrum plus - sinclair,

Sinclair spectrum plus - sinclair,

£62.10
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📊96 listings · from £4.91 · avg £97.57
⚠️ These listings were last updated more than 10 days ago. Search for fresh listings

Browse 96 sinclair calculator listings currently in our index. Prices range from £4.91 to £769, with an average of £97.57. 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 sinclair calculator →

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Everything you need to know about sinclair calculator

Whether you are looking for a brand-new or second-hand sinclair 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 £4.91, while premium listings can reach £769 — giving you a wide budget spread to work with. The average price of £97.57 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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