Arithmetic of Computers

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Lesson 6

The Octal System

From eight to ten

Page 181

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Your answer :

13.4₈ = 1(8²) + 3(8¹) + 4(8⁰).

You have the expansion of 134₈, not 13.4₈. You can’t make that “.” in 13.8₈ go away just by ignoring it.

Now return to Page 200 and come to grips with the problem this time.