Binary Numbers use only the digits 0 and 1.

Examples:

• 0 in Binary equals 0 in the Decimal Number System,

• 1 in Binary equals 1 in the Decimal Number System,

• 10 in Binary equals 2 in the Decimal Number System,

• 11 in Binary equals 3 in the Decimal Number System,

• 100 in Binary equals 4 in the Decimal Number System,

• etc.

Also called Base 2

See how to count in binary (press play):

Examples:

• 0 in Binary equals 0 in the Decimal Number System,

• 1 in Binary equals 1 in the Decimal Number System,

• 10 in Binary equals 2 in the Decimal Number System,

• 11 in Binary equals 3 in the Decimal Number System,

• 100 in Binary equals 4 in the Decimal Number System,

• etc.

Also called Base 2

See how to count in binary (press play):

Copyright © 2018 MathsIsFun.com