General Decimal Arithmetic
Specification
Version 1.70 – 7 Apr 2009
think 10

This document describes the operations of General Decimal Arithmetic; it is also available in PDF (Acrobat) format.
  1. Introduction – overview
  2. Scope – what's covered by the specification
  3. Model – abstract representations
  4. Conversions – to and from strings
  5. Arithmetic – arithmetic operations
  6. Miscellaneous – other operations
  7. Exceptional conditions – errors, etc.
  8. Appendix A – The X3-274 subset – simplified number set
  9. Appendix B – Design concepts – background
  10. Appendix C – Changes – since 26 July 2000.

Reproduced with permission from IBM © Copyright 1997, 2009 by International Business Machines Corporation