This illustration shows a virtual keyboard with four rows of keys.

The first (top) row contains the following keys: "1", "2", "3", and "/".

The second row contains the following keys: "4", "5", "6", and "-".

The third row contains the following keys: "7", "8", "9", and a dark gray key with an arrow sign pointing left.

The fourth row contains the following rows: "+", "0", "." and a dark gray key with a curved arrow symbol that points to left (the Enter key).