···6868| 1/10 | 10 | 0.1 | 0.1 | 1/10 | 0 |
6969| 1/3 | 10 | 0.<span class="over">3</span> | 0.3333 | 3333/10000 | 1/30000 |
7070| 1/2 | 2 | 0.1 | 0.1 | 1/2 | 0 |
7171-| 1/10 | 2 | 0.<span class="over">00011</span> | 0.0001 | 1/16 | 3/80 |
7171+| 1/10 | 2 | 0.0<span class="over">0011</span> | 0.0001 | 1/16 | 3/80 |
72727373And this is how you already get a rounding error when you just *write down* a number like 0.1 and
7474run it through your interpreter or compiler. It's not as big as 3/80 and may be invisible because