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:
    Forexample , (345.697)10  is an decimal number .
  • Decimal numbers are shown below,
octal numbersbinary numbersdecimal
equivalent
00 0 0  0
10 0 1 1
20 1 0 2
30 1 1 3
41 0 04
51 0 1 5
61 1 0 6
71 1 1 7
1 0001 0008
1 1001 0019
1 2001 01010
1 3001 01111