# Two Numbers Hexa Octal Binary Subtraction (Minus) Calculation

An online minus calculator for Hex,Binary and Octal numeral system.

## Protocols of Binary Subtraction:

• 0 - 0 = 0
• 0 - 1 = 1 , Note: borrow 1 from the next more significant bit
• 1 - 0 = 1
• 1 - 1 = 0,

### Binary Subtract Example

 00100101 - 00010001 = 00010100

### Binary Subtract Derivation

 0  0  1 10  0  1  0  1 - 0  0  0  1  0  0  0  1 0  0  0  1  0  1  0  0

## Binary Equivalent

• 1 Nibble (or Nybble)  =  4 bits
• 1 Byte  =  2 nybbles  =  8 bits
• 1 Kilobyte (KB)  =  1024 bytes
• 1 Megabyte (MB)  =  1024 kilobytes  =  1,048,576 bytes
• 1 Gigabyte (GB)  =  1024 megabytes  =  1,073,741,824 bytes
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• ## Binary Numbering System

• system digits:  0 and 1 (Zero and One)
• Bit (short for binary digit):  a single binary digit
• LSB (least significant bit):  the rightmost bit
• MSB (most significant bit):  the leftmost bit
• Upper Byte (or nybble):  the right-hand byte (or nybble) of a pair
• Lower Byte (or nybble):  the left-hand byte (or nybble) of a pair
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