Shoe size "Footwear - Sizing - Vocabulary and terminology"; currently in development are companion standards ISO/TS 19409 "Footwear - Sizing - Measurement of last dimensions" and ISO/TS 19410 "Footwear - Sizing - Inshoe measurement". The adult shoe sizes are calculated from typical last length, which is converted from foot length in mm by adding an allowance of two shoe sizes: where formula_13 is foot length in mm. Direct conversion between adult UK, European and Mondopoint shoe size systems is derived as follows: Exact foot lengths may contain repeating decimals because the formulas include division by 3; in practice, approximate interval steps of
ISO 9564 format of which is defined in a 2015 amendment to ISO 9564-1. ISO 9564-2:2014 specifies which encryption algorithms may be used for encrypting PINs. The approved algorithms are: ISO 9564-3 "Part 3: Requirements for offline PIN handling in ATM and POS systems", most recently published in 2003, was withdrawn in 2011 and its contents merged into . ISO 9564-4:2016 defines minimum security requirements and practices for the use of PINs and PIN entry devices in electronic commerce. ISO 9564 ISO 9564 is an international standard for personal identification number (PIN) management and security in financial services. The PIN is used