How to convert numbers between hexadecimal and decimal
To convert from decimal to hex do...
string hexValue = decValue.ToString("X");
To convert from hex to decimal do either...
int decValue = int.Parse(hexValue, System.Globalization.NumberStyles.HexNumber);
or
int decValue = Convert.ToInt32(hexValue, 16);
How to convert hex to decimal in c#.net?
Console.Write("Enter HEX: ");
string hexValues = Console.ReadLine();
string[] hexValuesSplit = hexValues.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
Console.WriteLine("HEX = DECIMAL");
foreach (String hex in hexValuesSplit)
{
// Convert the number expressed in base-16 to an integer.
int value = Convert.ToInt32(hex, 16);
Console.WriteLine(string.Format("{0} = {1}", hex, Convert.ToDecimal(value)));
}
Console.ReadKey();
P.S. : The original code does not belong to me. For original codes please refer to MSDN
Im trying to convert a hexadecimal number to decimal number in C++
#include <iostream>
#include <string>
using namespace std;
int main(){
string s;
cin>>s;//input string
int ans=0;//for storing ans
int p=1;
int n=s.size();//length of the string
//travarsing from right to left
for(int i=n-1;i>=0;i--){
//if the character is between 0 to 9
if(s[i]>='0'&&s[i]<='9'){
ans=ans+p*(s[i]-'0');
}
//if the character is between A to F
else{
ans=ans+p*(s[i]-'A'+10);
}
p=p*16;
}
cout<<ans;
return 0;
}
How to convert Hexadecimal to Decimal?
Only with the following line I could solve the issue!
fprintf(stderr, "Voltage: %.2f\n", value/100.00);
value was shown as HEX as I used to use %p! Then I changed to x! and as I need to have 124.06 not 12406, in other words 2 decimal points, I added .2f!
Thank you all!
What do 48 and 87 values refer to when converting hexadecimal to decimal number in C?
48 is the ASCII code for '0'; the ASCII codes for 'A' and 'a' are 65 (55 = 65-10) and 97 (87 = 97 - 10) respectively.
How can I quickly convert from hexadecimal to decimal in Scratch?
It turns out you can! It's fairly simple. Essentially all you have to do is this:
((join "0x" "<number>") + 0)
See it in Scratchblocks!
You will, however, have to manually create a program to convert from decimal to hexadecimal.
How to convert decimal to hexadecimal in JavaScript
Convert a number to a hexadecimal string with:
hexString = yourNumber.toString(16);
And reverse the process with:
yourNumber = parseInt(hexString, 16);
How to convert from Hexadecimal to Decimal and from Decimal to Binary
Welcome to Stackoverflow,
if you want to convert a hexadecimal value to a plain integer you can use:
int i = Integer.parseInt("5F", 16);
System.out.println(i); // will print 95
And if you want your plain integer to be converted into a binary String you could use:
String j = Integer.toBinaryString(i); // from the above variable j which contains 95
System.out.println(j); // will print 1011111
How to turn hexadecimal into decimal using brain?
If you consider that hexadecimal is base 16, its actually quite easy:
Start from the least significant digit and work towards the most significant (right to left) and multiply the digit with increasing powers of 16, then sum the result.
For example:
0x12 = 2 + (1 * 16)
= 18
0x99 = 9 + (9 * 16)
= 153
Then, remember that A = 10, B = 11, C = 12, D = 13, E = 14 and F = 15
So,
0xFB = 11 + (15 * 16)
= 251
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