ISO/IEC 9995-4:2025
ISO/IEC 9995-4:2025 Information technology — Keyboard layouts for text and office systems — Part 4: Numeric section
CDN $129.00
This publication was last reviewed and confirmed in 2025.
Information technology — Keyboard layouts for text and office systems — Part 4: Numeric section
Description
Within the general scope described in ISO/IEC 9995-1, this document specifies the numeric section of a keyboard and the division of that section into zones.
It specifies the arrangement, the number and the location of the keys in the numeric zone ZN0 and in the function zone ZN1 of the numeric section, as well as the allocation of functions to the keys.
The numeric zone ZN0 is to be used in keyboards for applications such as text and data processing, general office environment, banking, point of sales (POS), telematic services, telephony apparatus, home electronic systems, numerical control of machinery and equipment, input of personal identification number (PIN), etc.
The function zone ZN1 is to be used in keyboards for applications such as data entry, text and data processing, general office environment, etc.
NOTE Certain of these applications are under the responsibility of the ITU-T.
Edition
4
Published Date
2026-06-18
Status
PUBLISHED
Pages
9
Language
English
Format
Secure PDF
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Abstract
Within the general scope described in ISO/IEC 9995-1, this document specifies the numeric section of a keyboard and the division of that section into zones.
It specifies the arrangement, the number and the location of the keys in the numeric zone ZN0 and in the function zone ZN1 of the numeric section, as well as the allocation of functions to the keys.
The numeric zone ZN0 is to be used in keyboards for applications such as text and data processing, general office environment, banking, point of sales (POS), telematic services, telephony apparatus, home electronic systems, numerical control of machinery and equipment, input of personal identification number (PIN), etc.
The function zone ZN1 is to be used in keyboards for applications such as data entry, text and data processing, general office environment, etc.
NOTE Certain of these applications are under the responsibility of the ITU-T.
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