Wheatworks Software, LLC announces the release of Real Estate Calculator Suite 4.95, a Windows-based collection of 16 real estate calculators which make real estate math easy. Designed for real estate buyers, sellers and professionals, Real Estate Calculator Suite lets users play with the numbers related to their real estate transactions. Powerful Reasons to Use Real Estate Investment Software. Newspaper Real Estate Listings vs Online Real Estate Listings. Foreclosure Real Estate: Untapped Resources.