The link above will be using another forum's bandwidth. I was given that space to use and at least in my mind consider it for the benefit of their members. I'm sure it's no big deal but I don't want to abuse them, hope you all understand.

I have been putting the calcs on a site I set up here;
http://windyhilllogworks.com/Calcs/beamindex.html
The same calc is at the top of the list.
You can right click and "save as" and save them on your computer to run offline or modify if you want.