GB/T 10020-1988
ActiveAdding machines--Layout of function keyboard
加法器 功能键盘的布局
Application Summary AI generated
This standard specifies the layout and arrangement of function keys on adding machines, ensuring consistent key placement for operations like addition, subtraction, and total recall. It is applied in the design and manufacturing of mechanical or electronic adding machines used in office and accounting environments. The standard facilitates user familiarity and efficiency across different brands and models by standardizing the keyboard interface.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.