The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
The simplest application to deal with percent calculation in day-to-day life.* calculate the total tip amount at the restaurant;* calculate the percent of an amount;* increase an amount by a percent;* decrease an amount by a percent;* how much an amount is in percent;* compute the monthly amount for your mortgage;* see a schedule with monthly payments for your mortgage.