The IEC 61036 has been superseded by IEC 62052-11 and IEC 62053-21

ISO 9001 is about quality management for businesses in general. It sets out principles for quality management. On the other hand, ISO 9126 establishes standards to determine software quality. According to the latter, software quality evaluation should ensure that a software has the following properties; functionality, reliability, usability, maintainability, efficiency and portability. You can read more about that at http://www.angelfire.com/nt2/softwarequality/ISO9126.pdf

From ISO/IEC 7813 these cards are 0.76 mm or 0.030 inches thick.

C++ doesn't have versions, it has standards. The implementations of those standards have versions, but the version numbering differs from one implementation to another. The current standard (as of 6th February 2017) is ISO/IEC 14882:2014.

As of 24th August, 2013, the most stable version is ISO/IEC 14882:2011 (2011).