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Description
100 Things to Know About Numbers Computers & CodingWhen was the webcam invented and why? Do imaginary numbers exist? What is fuzzy logic? Find the answers these questions about the amazing world of numbers, computers and coding, along with loads of other curious, amazing and mind boggling facts, in this eye catching book that is absolutely bursting with information. Ages: 8+
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.7 ★★★★★
Based on 1929 reviews
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Product Reviews
★★★★★ 5
Great product
Great product easy to use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2026
★★★★★ 4
Better
It does quite lifters a little, not as much as I would like for my 4 cyclinder turbo engine
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Reviewed in the United States on August 2, 2024
★★★★★ 5
Encantado con el producto
Reparo inmediatamente mi falla de carburador por suciedad en mi 1989 mazda b2200.(muchos años sin usar y claro,desmonte primero el tanque de gas afuera y lo limpie)
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Fuel and repair costs are rising…
Why not make your (overpriced) fuel work for you? If you appreciate your internal combustion engine, and want to help avoid costly repairs or maintenance to your fuel injector system, you can!
To be honest the quality of fuel is often questionable (I’m looking right at you, ethanol). Modern fuel injection systems are squeezed for every iota of fuel economy and performance. It makes sense to be a little proactive with the preventative maintenance, it’s just good sense.
Adding Jectron to your fuel is a smart, and economical measure that you can take, to keep your injection system running as designed.
It won’t damage your emissions components, it won’t harm your fuel systems more delicate parts (O-rings, plastic tubing, filters, etc.).
There are plenty of great options out there, such as Chevron’s Techron, and a handful of other reputable products. I used to be a very strong advocate of Techron (it’s still my backup choice). However, after witnessing Jectron solve a battery of problems on a variety of vehicles, I’m a convert.
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Reviewed in the United States on March 20, 2023
★★★★★ 5
Quick and Competent!
Fast service. Exactly as ordered.
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Reviewed in the United States on September 16, 2025
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