Automated juice mixing calculations for nicotine.

https://www.icloud.com/shortcuts/7a5d6115dfa14ccda55ae98a55cc0409

Quick shortcut I made for my iPhone to calculate the amount of nicotine I need to add to a specific amount of vape juice for a desired strength in mg per ml. Might prove useful to some people; most charts I find on the internet don't go higher than 18mg/ml.