Octal system: b=8
(407)8
= 4 * 82 + 0 *81 + 7 * 80
= (261)10
Similarly 24.68 = 2 x (81) + 4 x (80) + 6 x (8-1) = 20.7510
11.18 = 1 x (81) + 1 x (80) + 1 x (8-1) = 9.12510
The weights of the corresponding bits for octal system are as
| 84 | 83 | 82 | 81 | 80 | . | 8-1 | 8-2 |
| 4096 | 512 | 64 | 8 | 1 | . | 0.125 | 0.015625 |
| MSB | Decimal point |