One of several unique characters found in the Mag Card Code (D-S3-3220-006)and Extended Binary Coded Decimal Interchange Code (C-S3-3220-002) providing a means to format text for business correspondence and communications.

• 磁卡码(D-S 3-3220-006)的扩展的二进制编码的十进制交换码(C-S 3-3220-002)中几个特殊字符之一，提供用于商务信件和通信的文本格式化方法。