Enter points by text
The number of simultaneous keystrokes for text input can be divided into single key input keyboards, double key input keyboards, and multi key input keyboards. The commonly used keyboards belong to single key input keyboards, speed recorder keyboards belong to multi key input keyboards, and the latest four section input method keyboards belong to double key input keyboards.
Reference key
Place the left finger on a s d f and the right finger on j k l, respectively;
Number keyboard reference key index finger: 741 middle finger:/852 ring finger: * 963 Thumb: -+enter
The thumb is 0.
