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If you have a sine bar but don't have gauge blocks (or don't want to mess with them), you can set a pretty accurate angle by using adjustable parallels and a micrometer or calipers. Also, for most angles, you can just make your own gauge block and mark it with the corresponding angle so you don't have to do all that math more than once.
This is how I make angle plates though if needed.
It's not difficult Marv, the best Calculator I've ever had is the one on my iPad but I don't keep it in the shed. If I need an angle not listed the formulas on the second sheet, you did look at the second sheet Marv didn't you?!
I guess only the spreadsheets that you've generated are of value Marv. For those that find them useful however here's another one in imperial for our American cousins.https://docs.google.com/file/d/0Bykt5WZ092aWZVdCcW5ya2xUc0k/edit?pli=1