The feature of this application is that buttons for discount rates that are often used, such as "-5%",
"-10%", "-15%", "-20%" ... are prepared in advance.
Just press these to display the answer, so you can easily calculate discounts.
For example, if you enter 2000 and press the "-30%" button,
2000 – 30% (600) = 1400
It will be displayed.
You can see how much you can discount.
If you want to calculate in increments of 1%, such as 21% or 42%, you can calculate it by entering it in the
upper left box that displays "-?%".
The calculation history is automatically saved and can be checked.