Hello Dupa123,
Thank you for signing up to Optimal Beam.
I wanted to reach out and help you get started. Is there anything you need help with?
I've included a link to a quick video tutorial that demonstrates how to use the beam calculator:
https://www.youtube.com/watch?v=5XzutXvOBgo&t
Please email me anytime. I'm here to help!
- Tim
https://optimalbeam.com