A binary-coded decimal code for representing decimal numbers in which each decimal digit is represented by seven binary digits which are coefficients of8, 6, 4, 2, 0, 1, 0, respectively.

• 用于表示十进制数的一种二进制编码的十进制码，其中每位十进制数用七位二进制数来表示，它们分别是8，6，4，2，0，1和0的系数。五－二码表如下：