I need source codes in c that is converting hexadecimal numbers to binary, octal and decimal

To convert numbers you can use the printf() function

printf("%d", x'FF') hex to decimal

printf("%o", x'FF') hex to octal

If you want to save the value in another variables use sprintf

e.g

a = x'FF';

b = sprintf("%d",a)

Posted on Jan 16, 2009

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Posted on Jan 02, 2017

The **octal** numeral system, or **oct** for short, is the base-8 number system, and uses the digits 0 to 7. Octal numerals can be made from binary numerals by grouping consecutive binary digits into groups of three (starting from the right). For example, the binary representation for decimal 74 is 1001010, which can be grouped into (00)1 001 010 - so the octal representation is 112.

In the decimal system each decimal place is a power of ten. For example:

In the octal system each place is a power of eight. For example:

By performing the calculation above in the familiar decimal system we see why 112 in octal is equal to 64+8+2 = 74 in decimal.

Hope this helps

In the decimal system each decimal place is a power of ten. For example:

In the octal system each place is a power of eight. For example:

By performing the calculation above in the familiar decimal system we see why 112 in octal is equal to 64+8+2 = 74 in decimal.

Hope this helps

Jul 15, 2014 | Necchi Sewing Machines

Sorry to be the carrier of bad news but the Casio FX-83 GT Plus does not
have a baseN calculation mode. You cannot do any arithmetic in binary,
octal or hexadecimal numeration.

Oct 06, 2013 | Casio Office Equipment & Supplies

Dinary? Never heard that one before. What is a dinary number? Anyway your calculator cannot perform the operations. The Casios can work in Binary (base 2), Octal (base 8), Decimal (base 10) and Hexadecimal (base 16). Some Sharps can do calculations in base 5 (pental).

Feb 19, 2013 | Office Equipment & Supplies

If you want to convert from another base to decimal, press MODE 4 to enter the BASE-N mode, select the initial base (binary, octal, or hexadecimal), enter the number, then switch to decimal to see the value in decimal.

If you want to exit the BASE-N mode, press MODE 1 to switch to the computational model or MODE 2 for complex mode.

If you want to exit the BASE-N mode, press MODE 1 to switch to the computational model or MODE 2 for complex mode.

Oct 04, 2011 | Casio FX-115ES Scientific Calculator

If you're already in decimal mode, press SHIFT BIN to switch to binary mode.

To convert a number from decimal to binary, press MODE 4 to switch to BASE-N mode. You'll find yourself in decimal mode. Enter the number to convert, press =, then press SHIFT [BIN] (the log key) and see the number in binary. To convert another number, press SHIFT [DEC] to return to decimal, enter the number, press =, then press SHIFT [BIN]. An analogous process works for hexadecimal and octal as well.

To return to "normal" use, press MODE 1 for COMP mode or MODE 2 for complex mode.

To convert a number from decimal to binary, press MODE 4 to switch to BASE-N mode. You'll find yourself in decimal mode. Enter the number to convert, press =, then press SHIFT [BIN] (the log key) and see the number in binary. To convert another number, press SHIFT [DEC] to return to decimal, enter the number, press =, then press SHIFT [BIN]. An analogous process works for hexadecimal and octal as well.

To return to "normal" use, press MODE 1 for COMP mode or MODE 2 for complex mode.

Mar 12, 2011 | Casio FX-115ES Scientific Calculator

Press MODE 4 to enter the BASE-N mode. Type in the decimal number, then press BIN to convert to binary. Press DEC to switch back to decimal for the next conversion.

You're limited to numbers in the range [-32768...32767] in binary. You can extend the range if you convert to octal or hexadecimal and then mentally convert each digit to three or four bits.

You're limited to numbers in the range [-32768...32767] in binary. You can extend the range if you convert to octal or hexadecimal and then mentally convert each digit to three or four bits.

Dec 01, 2010 | Casio FX-115ES Scientific Calculator

Here you go:

**http://tinyurl.com/2dup7x**

How about 4 thumbs??

How about 4 thumbs??

Aug 13, 2010 | Computers & Internet

Hello desireejane,

One method is to do the following

public static long octalToDecimal(String octal) throws NumberFormatException {

// Initialize result to 0

long res = 0;

// Do not continue on an empty string

if (octal.isEmpty()) {

throw new NumberFormatException("Empty string is not an octal number");

}

// Consider each digit in the string

for (int i = 0; i < octal.length(); i++) {

// Get the nth char from the right (first = 0)

char n = octal.charAt(octal.length() - (i+1));

int f = (int) n - 48;

// Check if it's a valid bit

if (f < 0 || f > 7) {

// And if not, die horribly

throw new NumberFormatException("Not an octal number");

} else {

// Only add the value if it's a 1

res += f*Math.round(Math.pow(2.0, (3*i)));

}

}

return res;

}

One method is to do the following

- Convert the octal, hexadecimal or binary to decimal.
- Add or Subtract the decimal normally
- Convert the result back to octal, hexadecimal or binary.

**Convert the octal to decimal:**

public static long octalToDecimal(String octal) throws NumberFormatException {

// Initialize result to 0

long res = 0;

// Do not continue on an empty string

if (octal.isEmpty()) {

throw new NumberFormatException("Empty string is not an octal number");

}

// Consider each digit in the string

for (int i = 0; i < octal.length(); i++) {

// Get the nth char from the right (first = 0)

char n = octal.charAt(octal.length() - (i+1));

int f = (int) n - 48;

// Check if it's a valid bit

if (f < 0 || f > 7) {

// And if not, die horribly

throw new NumberFormatException("Not an octal number");

} else {

// Only add the value if it's a 1

res += f*Math.round(Math.pow(2.0, (3*i)));

}

}

return res;

}

Mar 24, 2009 | Sun Java Programming Language (cdj-275)

Hello,

In the FX-300Ms manual, the same for the FX-82MS, there is no way to use base-n (binary, octal, hexadecimal) calculations.

Sorry.

In the FX-300Ms manual, the same for the FX-82MS, there is no way to use base-n (binary, octal, hexadecimal) calculations.

Sorry.

Feb 22, 2009 | Casio FX-300MS Calculator

all your solution is at

http://www.c.happycodings.com/Beginners_Lab_Assignments/code18.html

http://www.c.happycodings.com/Beginners_Lab_Assignments/code18.html

Dec 07, 2008 | Computers & Internet

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