2進制轉成16進制
方法：
依公式 24=161 知：
將2進制數，以小數點為中心，
整數部分 向左 每4位元分段，不足位的補0，
小數部分 向右 每4位元分段，不足位的補0，
每段由右至左分別註明權值：1 2 4 8 1 2 4 8 --- ，
每段算出10進位值，它就是 16進制的 每一段的答案，超過9用英文表示 。
Ex： 110111000.010111B = 1B8.5CH
| | | | | | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | . | 0 | 1 | 0 | 1 | 1 | 1 | B | | |
| | | | | | | | | | | | | | | | | | | | | | | | |
| | = | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | . | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | B |
| | | 8 | 4 | 2 | 1 | 8 | 4 | 2 | 1 | 8 | 4 | 2 | 1 | | 8 | 4 | 2 | 1 | 8 | 4 | 2 | 1 | |
| | | | | | | | | | | | | | | | | | | | | | | | |
| | = | | 1 | | | | 11 | | | | 8 | | | . | | 5 | | | | 12 | | | |
| | = | | 1 | | | | B | . | | | 8 | | | . | | 5 | | | | C | | | |
| | = | 1 | B | 8 | . | 5 | C | H | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | |
