Arithmetic of Computers

Arithmetic of Computers

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Lesson 7

Decimals to Octals

. . . and back again

Page 232

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Your answer :
2, 13210 = 4, 2148.
You did the hard part right and then wrote the numbers down in the wrong order.
0 , r = 4 8)4 , r = 1 8)33 , r = 2 8)266 , r = 4 8)2132
The digits are written, from left to right, in the opposite order from that in which they were obtained, or, in this case, from top to bottom in the calculations shown.
Now return to Page 249 and try again.
 

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