Using all spell coefficients for World of Warcraft Classic, backported from https://www.curseforge.com/wow/addons/project-3271
Once installed this updates your tooltips on your action bars to show the correct amount of damage/healing based on classic spell coefficients.
It is accurate for all spells with the full cast time say your max rank is 2.5s cast it will be inaccurate for 2.0s cast and below (low ranks) as they have lower coefficients.
Suitable for Druids/Shamans/Paladins/Priests/Mages/Warlocks.