ANSI X4.6-1979
10-Key Keyboard for Adding and Calculating Machines

Standard No.

ANSI X4.6-1979

Release Date

1979

Published By

American National Standards Institute （ANSI)

Latest

ANSI X4.6-1979

Scope

Prescribes the arrangement of the 10 numeric keys, one through zero, for adding and calculating machines of the 10-key type.

ANSI X4.6-1979 history

• 1979 ANSI X4.6-1979 10-Key Keyboard for Adding and Calculating Machines