Creo Tutorials > PTC Mathcad Tutorials > Optimize Your Design with Engineering Notebook Powered by PTC Mathcad > Set the Minimum Engine Displacement Using the PTC Mathcad Variable Definition
  
Set the Minimum Engine Displacement Using the PTC Mathcad Variable Definition
You can define the minimum engine displacement variable as follows:
1. On Page 3 of the worksheet, click in the area next to the Min/Max required engine displacement.
2. Type D, and then press CTRL + MINUS SIGN to change to subscript, and then type min.
3. Press SHIFT + : to insert a definition.
4. Type 3.25L.
The Min/Max required engine displacement variable should look as follows: