Dirt Do It Right

index-finger (forefinger)

 Algorithm

0 1 2 3 4 5 6 7 8 9

 9542: 9 + 5 + 4 + 2 Equals 20 xxxx: x + x + x + x Equals x 1234: 1 + 2 + 3 + 4 Equals 10

 One Hundreds Column 100 To 999

Octal Notations 0 To 7

 10 Until Reaches 99

 0 To 9

 A digit less then 10 or 9

0 Or 1 Notation Binary Number

 Name: Digit 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9