Biorhythms Calculator 2020 Amateur is a free Windows utility designed to help users visualize and analyze their biorhythms through various interactive views. The software features 15 built-in rhythms, including Primary, I-Ching, Secondary, and Intuitive Patterns, along with customizable user-defined rhythms. Users can explore their biorhythms via multiple formats such as Graph, Table, Calendar, Timeline, and Compatibility views, making it easy to track personal cycles and prepare for daily challenges.

The program also includes unique functionalities like a Threats and Opportunities View, compatibility analysis with friends and family, and the ability to create personalized reports. With a user-friendly interface reminiscent of Microsoft Office 2007, users can quickly navigate the software with the help of an interactive tutorial. Additional features include printing support, export options to Excel and JPEG, and integrated modules for Astrology and Numerology, making it a versatile choice for those interested in biorhythm analysis.