Working Area Zoom

The current working area zoom is displayed at the right bottom corner of calculation algorithm. To change working area zoom, use the Zoom group on the View ribbon tab. Available operations:

Set custom zoom:

Click the Zoom button and select zoom in the drop-down list. If none of the zoom options fits, set a custom zoom. To do this, select the Custom item and enter the required zoom value in the dialog box that opens.
Hold down the CTRL key, then point the cursor to the place, relative to which zoom will be changed, and scroll mouse wheel up to zoom in and down to zoom out.
Use the slider and the + and - button at the right bottom corner of the algorithm dialog box.

Set 100% zoom. Click the 100% button.
Set zoom to fit working area. Click the Fit In button. Working area zoom will be changed so that all objects are visible.