ISO/IEC INTERNATIONAL STANDARD 20926 Second edition 2009-12-01 Software and systems engineering - Software measurement IFPUG functional size measurement method 2009 Ingenierie du logiciel et des systemes Mesurage du logiciel - Methode IFPUG 2009 de mesurage de la taille fonctionnelle Reference number ISO/IEC 20926:2009(E) IEC ISo @ISO/IEC2009 ISO/IEC 20926:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below COPYRIGHTPROTECTEDDOCUMENT ISO/IEC2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, isO's memberbody in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland ii @ ISO/IEC 2009 - All rights reserved ISO/IEC 20926:2009(E) Contents Page Foreword Introduction 1 Scope.. 1.1 Purpose 1.2 Conformity 1.3 Applicability 1.4 Audience 2 Normative references.. 3 Terms and definitions. 4 Abbreviated terms 5 Measurement Process ... 5.1 Overview.... 5.2 Gather the available documentation .... 5.3 DeterminethecountingscopeandboundaryandidentifyFunctionalUserRequirement 5.4 Measure data functions .. 10 5.5 Measure transactional functions .... 13 5.6 Measure conversion functionality 19 5.7 Measure enhancement functionality . 19 5.8 Calculate functional size .. 19 5.9 Document the function point count 21 5.10 Reporttheresultofthefunctionpointcount 21 Annex A (informative) Consolidated complexity and functional size tables. .23 Bibliography 24 @ISO/IEC2009-All rights reserved ii