（1）可输入二进制、八进制、十进制、十六进制数； （2）将已输入的数转换成其余进制的数； （3）具有输入输出界面。 -(1) may enter the binary, octal, decimal, hexadecimal numbers (2) the number has been entered into the rest of the number of hex (3) with input and output interfaces.