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Barcode Better

TEKLYNX는 바코드 소프트웨어가 단지 소비자가 구매하는 것이 아니라고 생각합니다. 회사를 효율적으로 운영할 수 있도록 하는 통합 기술 솔루션이기 때문입니다.

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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: 자동차, 식음료, 의료 산업, 제조, 의료 기기, 제약, 소매점, 배송 및 수령, 창고 및 유통, 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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