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Barcode Better

在 TEKLYNX,我們認為條碼軟體不僅僅是您買的某樣東西。它是一個確保公司正常運轉的整合式技術解決方案。

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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: 汽車工業, 食品飲料, 醫療保健, 製造業, 醫療器材, 製藥業, 零售業, 發貨與收貨, 倉儲與配送, 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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