Saving the Calculation
The only BIG DANGER up until this point is that YOU DATA IS NOT SAVED. You have added a calculation to the project file, but everything at this moment is stored in the computers RAM memory. A power outage or sever system lockup would loose your current calculation.
So to save this new calculation back to the project file, press
. Immediately the screen will return to the Project Manager screen, and you see that a "General Timber Beam" calculation item has been added below the Section named "CALCULATIONS" :

Congratulations! You calculation is now secure and you have a real Project file with an actual calculation!