This app was mentioned in 1 comment, with an average of 1.00 upvote
Electrical Calculations PROKEY $1.97 CAD https://play.google.com/store/apps/details?id=it.Ettore.calcolielettriciPRO&hl=en
I want to learn more about electrical circuits, and this would be a good help. And Congrats on the huge bonus, OP! If you plan to save a lot of that or use it to pay off debt, /r/personalfinance/ may help you out quite a bit.