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Sinclair calculator

4

Sinclair calculator for sale on largest auction and classifieds sites

Home / Vintage Computing / Sinclair calculator for sale – 96 used, around £65 | For Sale UK
Working cambridge computer z88 - cambridge,

Working cambridge computer z88 - cambridge,

£234.70
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Sinclair spectrum vintage - sinclair,

Sinclair spectrum vintage - sinclair,

£187.90
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Vtg sinclair scientific - vtg,

Vtg sinclair scientific - vtg,

£90.00
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Sinclair cambridge pe17 pocket - cambridge,

Sinclair cambridge pe17 pocket - cambridge,

£42.25
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Vintage 1970s sinclair - 1970s,

Vintage 1970s sinclair - 1970s,

£39.00
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Sinclair oxford 100 calculator - oxford,

Sinclair oxford 100 calculator - oxford,

£34.99
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Vintage sinclair executive - sinclair,

Vintage sinclair executive - sinclair,

£99.99
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Vintage 1970s sinclair pocket - 1970s,

Vintage 1970s sinclair pocket - 1970s,

£78.70
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Sinclair enterprise calculator - sinclair,

Sinclair enterprise calculator - sinclair,

£49.99
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Sinclair cambridge universal - sinclair,

Sinclair cambridge universal - sinclair,

£30.00
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Sinclair vintage computer - computer,

Sinclair vintage computer - computer,

£156.70
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Vintage sinclair oxford 200 - vintage,

Vintage sinclair oxford 200 - vintage,

£45.00
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Sinclair zx80 replica - zx80,

Sinclair zx80 replica - zx80,

£156.70
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The sinclair book student - sinclair, student's

The sinclair book student - sinclair, student's

£16.15
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Sinclair scientific handheld - scientific,

Sinclair scientific handheld - scientific,

£120.30
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Job lot sinclair user - -, 14

Job lot sinclair user - -, 14

£30.00
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Sinclair cambridge universal - sinclair,

Sinclair cambridge universal - sinclair,

£32.00
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Sinclair scientific - sinclair,

Sinclair scientific - sinclair,

£83.90
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Sinclair zx80 computer boxed - zx80,

Sinclair zx80 computer boxed - zx80,

£394.99
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Sinclair cambridge memory - sinclair,

Sinclair cambridge memory - sinclair,

£14.99
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Sinclair cambridge - sinclair,

Sinclair cambridge - sinclair,

£73.50
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Sinclair spectrum 48k - sinclair,

Sinclair spectrum 48k - sinclair,

£75.00
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Sci z88 sinclair - sci, computer

Sci z88 sinclair - sci, computer

£49.58
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Sinclair spectrum 2 - sinclair, 128k

Sinclair spectrum 2 - sinclair, 128k

£52.70
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3368 vintage sinclair - vintage,

3368 vintage sinclair - vintage,

£39.95
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Vintage sinclair oxford 300 - vintage,

Vintage sinclair oxford 300 - vintage,

£29.99
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Vintage sinclair oxford - sinclair,

Vintage sinclair oxford - sinclair,

£16.99
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Vintage sinclair oxford 200 - oxford,

Vintage sinclair oxford 200 - oxford,

£19.99
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Sinclair zx81 vintage computer - vintage,

Sinclair zx81 vintage computer - vintage,

£70.50
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Sinclair 16k ram memory - sinclair,

Sinclair 16k ram memory - sinclair,

£16.15
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Sinclair spectrum 128k plus - sinclair, zx

Sinclair spectrum 128k plus - sinclair, zx

£115.09
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Vintage sinclair spectrum - zx,

Vintage sinclair spectrum - zx,

£567.25
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Sinclair sovereign calculator - sovereign,

Sinclair sovereign calculator - sovereign,

£135.90
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Sinclair spectrum plus 3 - sinclair,

Sinclair spectrum plus 3 - sinclair,

£149.99
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Limited edition sinclair 1977 - limited,

Limited edition sinclair 1977 - limited,

£208.70
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Sinclair cambridge pocket - cambridge,

Sinclair cambridge pocket - cambridge,

£26.99
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Sinclair spectrum 128k - zx,

Sinclair spectrum 128k - zx,

£109.89
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Sinclair spectrum computer - sinclair, zx

Sinclair spectrum computer - sinclair, zx

£68.30
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Sinclair zx80 vintage computer - vintage,

Sinclair zx80 vintage computer - vintage,

£363.70
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Sinclair oxford 200 handheld - sinclair,

Sinclair oxford 200 handheld - sinclair,

£43.72
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Sinclair vintage owners manual - sinclair,

Sinclair vintage owners manual - sinclair,

£5.45
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Sinclair scientific - sinclair,

Sinclair scientific - sinclair,

£51.66
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Sinclair sovereign vintage - sinclair,

Sinclair sovereign vintage - sinclair,

£172.30
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Sinclair spectrum retro - sinclair, zx

Sinclair spectrum retro - sinclair, zx

£13.95
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Working sinclair cambridge - sinclair,

Working sinclair cambridge - sinclair,

£150.00
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Sinclair spectrum personal - spectrum+,

Sinclair spectrum personal - spectrum+,

£64.99
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Sinclair spectrum 48k - sinclair, 48k+

Sinclair spectrum 48k - sinclair, 48k+

£70.00
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Sinclair cambridge pocket - sinclair,

Sinclair cambridge pocket - sinclair,

£82.86
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Sinclair scientific calculator - sinclair,

Sinclair scientific calculator - sinclair,

£130.70
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Rare sinclair cambridge - sinclair,

Rare sinclair cambridge - sinclair,

£68.30
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Sinclair zx81 home computer - sinclair,

Sinclair zx81 home computer - sinclair,

£34.99
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Sinclair spectrum 128k - sinclair,

Sinclair spectrum 128k - sinclair,

£104.69
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Vintage sinclair oxford 200 - sinclair,

Vintage sinclair oxford 200 - sinclair,

£24.99
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Rare jupiter ace vintage - rare,

Rare jupiter ace vintage - rare,

£749.99
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Sinclair vintage scientific - sinclair,

Sinclair vintage scientific - sinclair,

£94.30
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Vintage sinclair scientific - vintage,

Vintage sinclair scientific - vintage,

£52.70
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Sinclair excecutive memory - sinclair,

Sinclair excecutive memory - sinclair,

£103.66
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Sinclair spectrum and - spectrum, +3

Sinclair spectrum and - spectrum, +3

£6.79
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Sinclair programmable - sinclair,

Sinclair programmable - sinclair,

£195.00
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Sinclair cambridge calculator - sinclair,

Sinclair cambridge calculator - sinclair,

£57.38
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Spectrum pico red - ver, 128k

Spectrum pico red - ver, 128k

£39.18
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Sinclair world magazine - sinclair,

Sinclair world magazine - sinclair,

£26.70
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Sinclair spectrum 48k - sinclair,

Sinclair spectrum 48k - sinclair,

£44.99
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Sinclair oxford universal - oxford,

Sinclair oxford universal - oxford,

£20.00
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Sinclair spectrum computer - spectrum,

Sinclair spectrum computer - spectrum,

£8.99
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Sinclair spectrum computer - sinclair,

Sinclair spectrum computer - sinclair,

£49.99
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Sinclair memory basic handheld - memory,

Sinclair memory basic handheld - memory,

£52.70
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Sinclair sovereign plated - g.,

Sinclair sovereign plated - g.,

£195.00
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Sinclair spectrum computer - sinclair,

Sinclair spectrum computer - sinclair,

£59.99
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Sinclair vintage oxford - sinclair,

Sinclair vintage oxford - sinclair,

£23.33
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Sinclair cambridge memory - sinclair,

Sinclair cambridge memory - sinclair,

£42.25
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Sinclair cambridge calculator - cambridge,

Sinclair cambridge calculator - cambridge,

£79.00
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Sinclair sovereign calculator - sinclair,

Sinclair sovereign calculator - sinclair,

£312.70
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Vintage retro look - vintage,

Vintage retro look - vintage,

£14.99
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Sinclair cambridge - sinclair,

Sinclair cambridge - sinclair,

£29.99
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Original sinclair spectrum - sinclair, zx

Original sinclair spectrum - sinclair, zx

£83.90
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Sinclair spectrum personal - zx,

Sinclair spectrum personal - zx,

£100.00
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Sinclair scientific - sinclair,

Sinclair scientific - sinclair,

£69.99
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Sinclair spectrum 48k - zx,

Sinclair spectrum 48k - zx,

£69.99
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Sinclair sovereign calculator - sinclair,

Sinclair sovereign calculator - sinclair,

£260.70
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Vintage sinclair oxford 200 - sinclair,

Vintage sinclair oxford 200 - sinclair,

£21.50
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Sinclair spectrum computer - 48,

Sinclair spectrum computer - 48,

£9.99
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Sinclair spectrum mug - zx,

Sinclair spectrum mug - zx,

£6.95
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Original sinclair zx81 - sinclair,

Original sinclair zx81 - sinclair,

£39.99
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Working and boxed - , sinclair

Working and boxed - , sinclair

£155.00
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Vintage sinclair zx81 retro - zx81,

Vintage sinclair zx81 retro - zx81,

£68.30
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Sinclair spectrum 128k plus - zx,

Sinclair spectrum 128k plus - zx,

£104.69
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Sinclair spectrum - zx,

Sinclair spectrum - zx,

£18.00
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Sinclair zx81 computer - sinclair,

Sinclair zx81 computer - sinclair,

£125.00
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Vintage sinclair oxford - oxford, 150

Vintage sinclair oxford - oxford, 150

£21.50
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Sinclair spectrum 2 128k - sinclair, zx

Sinclair spectrum 2 128k - sinclair, zx

£63.10
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Timex sinclair 1000 vintage - sinclair,

Timex sinclair 1000 vintage - sinclair,

£47.50
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Sinclair spectrum 128k - sinclair, plus

Sinclair spectrum 128k - sinclair, plus

£115.09
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Cassette for sinclair - cassette,

Cassette for sinclair - cassette,

£2.24
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Timex sinclair 1000 computer - sinclair,

Timex sinclair 1000 computer - sinclair,

£99.00
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Sinclair spectrum personal - sinclair,

Sinclair spectrum personal - sinclair,

£109.90
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📊96 listings · from £2.24 · avg £93.74

Browse 96 sinclair calculator listings currently in our index. Prices range from £2.24 to £749.99, with an average of £93.74. 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 →

Try this: zx81 | amiga 500 | atari 800 | packard bell broken | development board | spectrum 128k | amstrad | spectrum 128 | amstrad 6128 | sharp pocket computer

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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 £2.24, while premium listings can reach £749.99 — giving you a wide budget spread to work with. The average price of £93.74 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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