If you area a realtor or just looking for home this tool will be your first calculation to now your monthly payments or the maximum that you can afford. Simplicity in Real Estate is called REstateOne. This application features a mortgage calculator, a maximum affordable calculator, listings, clients, and finally an optional window companion for your desktop. Some of the features are: • Calculate maximum affordability • Monthly mortgage payment calculation • Edit, Create your own listing • Edit and create your personal contact or clients