The document explains what a check digit is, particularly in the context of Code 128 barcodes, which are used for identification and inventory management. It details the process for calculating a check digit manually, including assigning value to characters and performing modulo 103 calculations. Additionally, it mentions tools like the GS1 check digit calculator for ease of calculation.

2. BARCODELIVE
CONTENT
01. What Is A Check Digit?
02. What Is Code 128 Check Digit?
03. How To Calculate A Code 128 Check Digit Manually?
04. What Is Code 128 Check Digit Calculator?

3. WHAT IS A
CHECK DIGIT?
Check digit is the last digit of all fixed-length
to identify errors

4. Normally, digital systems can
identify changes as data is
transported from transmitter to
receiver with the use of a check
digit.

5. WHAT IS CODE 128
CHECK DIGIT?
Code 128 barcodes are 1D
barcode symbols that are widely
employed in the identification,
inventory, shipping, & supply
chains.

6. The check digit of a Code 128
barcode is dependent on a
value assigned to each Code
128 character.

7. Obtain the
corresponding
symbol
character value
A modulo 103 checksum digit may be inserted in applications that
demand an exceedingly high level of precision.
A weighting is
assigned to
each symbol
character place
Multiply
character by
how much of the
barcode string it
represents
HOW TO CALCULATE A CODE 128 CHECK
DIGIT MANUALLY?

8. Combine the
results of the
calculations
from step 3
The goods'
combined total
is then divided
by 103
The value of the
residual in step
4 is the symbol
check character
HOW TO CALCULATE A CODE 128
CHECK DIGIT MANUALLY?

9. WHAT IS CODE 128 CHECK DIGIT
CALCULATOR?
GS1 check digit calculator
Barcode Graphics

12. THANK
YOU