DPS/Accuracy calculator
https://docs.google.com/spreadsheets/d/1wzy1VxNWEAAc0FQyDAdpiFggAfn5U6RGPp2CisAHZW8/edit#gid=158500257
^I've been using that spreadsheet for a while, but if you can make something similar and more simple, that would be nice.
If it's possible to have it show freeze accuracy in % like it does on the spreadsheet, that would be beneficial in terms of gear selection for magers.