3 ms·Closure finally!by qingcharles 8mo agoClosure finally!merlindru 8mo agowhat will i do... with all this extra time....IshKebab 8mo agoWell not really though. It still doesn't answer where the symbol came from; just where it was first catalogued. Presumably its original use was in some yet-unfound paper or manual where they needed a symbol for azimuth.