checksum 2 of 5(a)
| 
     Group  | 
                
Creates a checksum for Interleaved 2 of 5 barcodes (Interleaved 2 of 5 MOD 10). The number of characters of the barcode must be uneven, an even number must be preceded by a 0.
Description of Parameters
| 
     Parameter  | 
                
     Description  | 
        
| 
     a  | 
                
     Number to create checksum for.  | 
        
Examples
| 
     Parameter a  | 
                
     Result  | 
        
| 
     12345  | 
                
     7  | 
        
| 
     1234  | 
                
     Breaks with an error message.  | 
        
| 
     01234  | 
                
     8  | 
        
Remarks
The type of the value (variable, etc.) should be set to String, to avoid the effect that a leading zero (01234) is removed leading to the abortion of the function.