Abstract: A one-handed keyboard is disclosed which includes a stationary base and a rocking keyboard which is mounted for rocking movement between a normal level position and right and left depressed positions. A selector key is mounted on the rocking keyboard for rocking therewith and also being pivotally mounted for movement between a normal upper or raised position and a lower postion to which it moves when the user rests the palm of his hand on it. A cluster of keys is provided, each of which is multi-function representing a plurality of alpha-numeric characters and/or symbols that can be typed or entered by selective actuation of the character keys, rocking keyboard, selector key and a shift key by movements of one hand and movements of the fingers thereof.