It's very simple to use. Just enter the required information to calculate the number of days. To modify a contact's information, just click on his/her name on the agenda and make the modifications you need on the pop-up window.
It also doubles as a birthday calendar and can notify you when someone from your agenda is celebrating their birthday the moment you turn on your computer.
Simple but practical application so you never forget to wish your friends and family a happy birthday.
Backup copies of your birthday agenda, contacts search, and added options for the calculation of days.