Vartala

Vartala er skv. Alþjóða póststaðli frá UPU frá 27. janúar 1998.

Doc. refS10-2, Status 2 (ems) and 1 (other items). Date of acceptance 18th. of April 1996.

Weight modulus 11 formula.

The formula is as follows

  • Apply weigthing factors to basic number using the followin weighting factors 86423597.
  • Optain the sum of these numbers
  • Divide the sum by 11 (eleven).
  • Subtract the remainder from 11.
  • If the result is in the range of 1 to 9, use the reslult as the check digit.
  • If the result is 10, use 0 as the check – digit.
  • If the result is 11, use 5 as the check – digit.

Example

Number   
Weighting factors  x8  x6  x4  x2  x3  x5  x9  x7   
Gives  32+  42+  12+  2+  6+  20+  72+  14+  =200 

200 divided by 11 gives a remainder of 2
11 minus 2 gives 9: the check digit is 9
Complete self cheecking number: 473124829

Dæmi: Vartala - Forritunardæmi


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24.4.2014

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