BS 5478-1:1977

Superseded

Specification for calculators and adding machines. Numeric section of ten-key keyboards for calculators and adding machines

Available format(s)

Hardcopy , PDF

Superseded date

15-11-1994

Language(s)

English

Published date

31-05-1977

Publisher

British Standards Institution

Composition and layout, shape of keys, slope of keyboard plane, maximum key stroke, spacing of keys.

Committee	ICT/1
DocumentType	Standard
Pages	3
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS ISO/IEC 9995/1 : 1994 BS ISO/IEC 9995/5 : 1994 BS ISO/IEC 9995/3 : 1994 BS ISO/IEC 9995/8 : 1994 BS ISO/IEC 9995/7 : 1994 BS ISO/IEC 9995/2 : 1994 BS ISO/IEC 9995/4 : 1994 BS ISO/IEC 9995-4:1994 BS ISO/IEC 9995-2:1994 BS ISO/IEC 9995-6:1994 BS ISO/IEC 9995-5:1994 BS ISO/IEC 9995-1:1994 BS ISO/IEC 9995-3:1994 BS ISO/IEC 9995-7:1994 BS ISO/IEC 9995-8:1994

BS 5478-2:1977	Calculators and adding machines Layout of function keys on adding machines
BS 7245:1989	Specification for numeric keyboard for home electronic systems (HES)