CalcForMe - discount, margin, markup, percentage is the free app that quickly calculates for you:
 - compound discount
 - multiple discount
 - percentage
 - final discount breakdown
 - delta between two values
 - margin
 - markup
 - purchase cost
 - selling price
 - savings
It also integrates a tool for the immediate conversion of electrical measurements, also estimating the ideal section of the cable.
It is a valuable aid in the world of commerce, in the electrical sector and in teaching.
You can share your results directly from the app with a click in the way you want.
To simplify the copy and paste each result is automatically copied to the clipboard.