decimal number system

  • The number system with base/radix 10 is known as decimal number system. Occasionally called denary. It is the standard system for denoting integer and non-integer numbers.
  • 10 symbols/digit are used in it (0,1, 2, 3, 4, 5, 6,7,8 & 9) to represent a number.
  • Decimal number system is positional number system, i.e. every position in a number has assigned some weight.
  • In general, Decimal number can be expressed as:

  • For example , (345.697)10  is an decimal number .
  • Decimal numbers are shown below,
octal numbers binary numbers decimal
equivalent
0 0 0 0   0
1 0 0 1  1
2 0 1 0  2
3 0 1 1  3
4 1 0 0 4
5 1 0 1  5
6 1 1 0  6
7 1 1 1  7
1 0 001 000 8
1 1 001 001 9
1 2 001 010 10
1 3 001 011 11

conversion from decimal to binary number       
conversion from binary to decimal number 
conversion from octal to decimal number 
conversion from decimal to octal number 
conversion from hexadecimal to decimal number 
conversion from decimal to hexadecimal number 
 

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