how to convert hexadecimal to decimal

/**/ //////Returns hexadecimal characters.//////Value/// Public Static String Gethexchar ( String Value) { String Sreturn = String . Empty; Switch (Value) { Case " 10 " :Sreturn = " A " ; Break ; Case " 11 " :Sreturn = " B " ; Break ; Case " 12 " :Sreturn = " C " ; Break ; Case " 13 " :Sreturn = " D " ; Break ; Case " 14 " :Sreturn = " E " ;

' chr ($asc [$i +1]) $Hex [$i] + = 0x09;} }return $Hex;} /** * Convert 16 binary data into ASC code * @param $Hex 16 binary array * @param $HexLen 16 binary array length * @return ASC Array * @author phpff.com */public static function Hextoasc ($Hex, $HexLen) {$i = 0;$Temp = 0;for ($i = 0; $i {$Temp = ($Hex [$i] 0xf0) >> 4;if ($Temp $ASC [$i] = (0x30 + $Temp);}else{$ASC [$i] = (0x37 + $Temp);} $Temp = $Hex [$i] 0x0f;if ($Temp $ASC [$i +1] = (0x30

/*hexadecimal conversionsRequirements:1. Input data from keyboard (with input prompt)2. Using custom methodsIncrease:For the number of inputs, the conversion is 8-and 2-binary.*/Import Java.util.Scanner;public class arraytest{public static void Main (string[] args) {System.out.print ("Please enter a number to convert to 16 binary:");Scanner scan=new Scanner (system.in);int num = Scan.nextint ();System.out.p

Decimal to binary, octal, and hexadecimal digits are not followed by zeros .? Php Tutorial *** convert decimal to binary, octal, and hexadecimal with less than a single digit to zero *** @ paramarray $ datalist input data array (100,123,130) * @ paramint $ bin conversion in

the inverse code: 00000000000000000000000000000110 Counter code +1, get: 00000000000000000000000000000111 Convert to decimal: 7 Because it's a negative number, add a minus sign and convert to 7. Fun: 32-bit binary 1.,111,111,111,111,11e,+31 What is the value of the binary? This is a more interesting, do not mislead to this is a negative number, in fact, thi

This article mainly introduces the decimal negative conversion to binary, octal, hexadecimal knowledge sharing, the need for friends can refer to the nextProgram apes may not be unfamiliar with binary systems, which are widely used in computing technology. Binary data is a number represented by 0 and 12 digits. But many people convert binary into integers, but ho

// Convert it to binary console in decimal format. writeline (convert. tostring (69, 2); // convert it to octal console in decimal format. writeline (convert. tostring (69, 8); // convert