# ISO/IEC/IEEE 60559:2011 — Withdrawn and superseded ISO standards

For ISO/IEC/IEEE 60559:2011, item title is Information technology — Microprocessor Systems — Floating-Point arithmetic; status code is 9599; successor is ISO/IEC 60559:2020; withdrawn / published date is 2011-07-07, recorded from its source on 2026-08-05.

- **Identifier:** ISO/IEC/IEEE 60559:2011 _(verified: appears in the quote below)_
- **Item title:** Information technology — Microprocessor Systems — Floating-Point arithmetic _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/IEC 60559:2020
- **Withdrawn / published date:** 2011-07-07 _(verified: appears in the quote below)_

## What the source says

> 57469,IS,,ISO/IEC/IEEE 60559:2011,Information technology — Microprocessor Systems — Floating-Point arithmetic,Technologies de l'information — Systèmes de microprocesseurs — Arithmétique flottante,2011-07-07,1,['35.160'],ISO/IEC JTC 1/SC 25,9599,[19706],[80985],['en'],58,"<div><p>ISO/IEC/IEEE 60559:2011(E) specifies formats and methods forfloating-point arithmetic in computer systems - standard and extended functionswith single, double, extended, and extendable precision and recommends formatsfor data interchange. Exception conditions are defined and standard handling ofthese conditions is specified. It provides a method for computation withfloating-point numbers that will yield the same resu

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).