Carry addition is a mathematical operation and addition. In basic arithmetic, carry is a form of operation. In addition, when the number on each digit is equal to the radix, it is part of the standard algorithm to move forward by one digit. It starts from the rightmost number and then passes it to the left.

For example, if the number of digits reaches 10, the number will move forward by 1 to become a ten.

In the decimal algorithm, if every digit is full ten, add1to the decimal digit; When there are ten people to ten, add one to a hundred.

In the binary algorithm, every bit is full two, and ten bits are added1; Ten people reach two, and one is added to a hundred.