I know the protractor looks backwards, but is actually correct... If you were to click on something and drag the line to the right (090), the right side of the protractor would say "270" (Sounds backwards), but the line would lay on the 090 mark(on the left side of the circle)... This way you can plot a long way and still know the correct degree at the end of the plot..
This is really useful when you have a long intercept and just a degree or two mistake could mean the difference of missing the target or not..
Good Luck...
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