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If you look up Angle in the Wikipedia , it claims that there are four (4) methods of  measuring angles: Degrees, Radians, Turns, and Gons. But they are really five (5) and that is BAM or Binary Angular Measurement. If we get rid of Turns, and Gons. That leaves three (3): Degrees, Radians, BAM. Only Radians and Degrees units of measurement  do well with Floating Point math.  But when we use BAMs its BAM32 or BAM16 and they are Fixed Point Math. So I will show you Degrees to Radia ...
Why did I say: "The Earth and its mathematics", because all of the math used in flight, or navigational simulators or SPS(games), are based on the Earth and it's dimensions ~ though the NAV simulation represents but a small fraction of the math used in flight simulators. figure 1 ➀ Having nothing to do with the definition of Nautical Miles (“nMile”), from ???, we know that at the Earth's equatorial circumference is 21,604.2 [or 21,639 or ???] nMile. From High School Math and Geogr ...