BS ISO IEC 20926 pdf download Software and systems engineering — Software measurement — IFPUG functional size measurement method 2009 1 Scope 1.1 Purpose This International Standard specifies the set of definitions, rules and steps for applying the IFPUG functional size measurement (FSM) method. 1.2 Conformity This International Standard is conformant with all mandatory provisions of ISO/IEC 1 41 43-1...