1. When you use the Autofill handle, you can display your figures in the source cell by units of 1 if you so choose. To do this, just press the « Ctrl » key before you drag the handle.
2. And when you release the mouse, we have the following result
MAGIC
3. This is true for every figure type, integer or other. Dates, however, are automatically filled. In this case the CTRL key will block the fill.
4. If you wish to display your figures by 0,5 unit, watch the video.