ISO/IEC 9995-1:2026

Information technology — Keyboard layouts for text and office systems — Part 1: General principles governing keyboard layouts

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This document identifies the sections of the keyboard and specifies the general shape and relative placement of the sections. Spacing of keys and physical characteristics are covered, as are the principles governing the placement of characters and symbols on keys.
It specifies a key numbering system which applies to all types of numeric, alphanumeric and composite keyboards of information technology equipment (ITE).
It specifies the principles governing the placement of characters and symbols on keys used on all types of numeric, alphanumeric and composite keyboards of ITE. Although the keyboard defined by the ISO/IEC 9995 series can be used for different languages, the specifications are written as applying to Latin languages with a character path from left to right and a line progression from top to bottom.
It defines characteristics related to interface 1 in Figure 1.