可以实现进制的相互转换，如果大于3位，为二进制转十六进制，2位为十六进制转二进制，三位为十进制转十六进制。主要用于单片机开发工具。-The hex conversion, can be achieved if more than three, for binary to hex, the two hexadecimal to binary three decimal to hexadecimal. For microcontroller development tools.