一组转换函数用于十六进制字符串二进制字符串八进制字符串到十进制整数相互转换，对数值运算和运算转换有帮助-a group function for converting hexadecimal string octal binary string string to decimal integer conversion of numerical computing and Operational Conversion help

进制转换器 要求：（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。 -Hex converter requirements: (1) can be entered in binary, octal, decimal, hexadecimal number (2) the number has been entered into the rest of hexadecimal numbers (3) hav

输入十进制整数，转换为二进制、八进制、十六进制数-Enter a decimal integer, converted to binary, octal, hexadecimal number