Looking at a price tag, wondering what an actual price will be?
Interested to know how much actually you are saving with the discount?
Try this app, you can instantly check discounted price and amount you are saving!
Just enter the price and select a percentage of the discount.
You will be knowing what you are looking for immediately!
If you like hitting a button repeatedly and quickly, why not try hitting C (clear) button repeatedly. This app shows you, taps-per-second for you.