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<pre style="font-family: courier, "courier new", monospace; font-size: 1em; white-space: pre-wrap; overflow-wrap: break-word; margin: 0px;">g = (450-m) - int((450-m) / 360) * 360
where m = mathematical angle (0 east, anti-clockwise)
and g = geographic angle (0 north, clockwise)</pre>
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<br>
Which is equivalent to:<br>
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g = (450-m) % 360<br>
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<br>
Best regards.<br>
<br>
Andrea Giudiceandrea<br>
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