Lesson 8
Octal Arithmetic
The sum gets a bonus
Page 280
You did all right until you summed the left-hand column and wrote the result in decimal rather than octal.
1
← carried from 2nd column
3
5
38
4
6
28
?
3
58
You wouldn’t have done this if you had remembered there can’t be an 8 in an octal number.
Return to Page 275 and try again.