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Barcode Better

在 TEKLYNX,我们认为条形码软件不仅仅是您买的某样东西。它是一个确保公司正常运转的集成式技术解决方案。

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TEKLYNX Blog: The Human Readable

What Is a Check Digit? The Key to Barcode Accuracy & Validation

 

BY: TRAVIS WAYNE / DATE: 19/06/2025 / TOPICS: 汽车工业, 食品饮料, 医疗保健, 制造业, 医疗器械, 制药业, 零售业, 发货与收货, 仓储与配送, BARCODE BASICS, REGULATORY COMPLIANCE

 

What is a check digit? Simply put, a check digit is an extra number added to a barcode to help detect errors. Barcode check digits are calculated using algorithms during both barcode creation and scanning. If the scanned check digit matches the created check digit, the barcode was scanned correctly.

 

Check digits are foundational to barcode data integrity, validation, and quality. In this blog, we’ll dive into what check digits are, how they work, and why they’re important.   

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