Creates a checksum for '2 of 5' barcodes (MOD 10). The number of characters of the barcode must be uneven. For an even number, the value must be preceded by a "0".

Parameters

Parameter	Description
a	Value to create checksum for. Note: The type of the field on which the function is executed and variables containing the value should be of type String so that leading zeros are not removed.

Examples

Parameter a	Result
12345	7
1234	Aborts with an error.
01234	8