What is Biorhythms Calculator Enthusiast?
Biorhythms Calculator Enthusiast is a personal calculator for tracking biorhythm cycles through graphs, tables, calendars, timelines, and reports. It includes primary, secondary, I-Ching, and custom cycles, with tools for comparing several profiles at once. You can monitor critical days, create activity rules, check compatibility, record personal notes, and export selected data to common file or calendar formats. Biorhythms Calculator Enthusiast also supports profile management, multiple views, and detailed cycle information for specific dates.

Table of Contents
Key Features
- Track primary, secondary, I-Ching, intuitive-pattern, and custom biorhythm cycles.
- Compare several profiles inside the same graph, table, calendar, or timeline.
- Create activity rules from selected cycle thresholds and display matching periods.
- Export charts, table data, reports, and calendar events in supported formats for sharing.
- Record observed conditions in the built-in journal for later comparison.
- Save profile birth details once and organize stored people into groups.
- Arrange multiple view tabs side by side for direct comparison.
| Version | 3.0.2609.100 (giveaway build) |
| Supported OS | Windows 7 to 10/11 (32 & 64 bit) |
| File size | 20.9 MB |
| License type | 1-Year License for the Enthusiast |
| Publisher | BinaryMark |
| Category | Calculator |
Our Quick Test
Based on the activation process, the giveaway uses a pre-activated installer and needs no serial number entry. Setup has three actions: download the supplied package, install it, then launch the app. The license doesn’t cover future releases, so the included build is the safest to keep. Vendor support is also excluded, so you must handle later setup problems without free technical help. This giveaway fits personal users who want the included features and can stay on the supplied build.
How to Get the Free License Key
Instructions
Step 1. Download the giveaway installer for version 3.0.2609.100 from the provided link above.

Step 2. Run the installer and complete the setup wizard.

Step 3. Launch the app after installation; no manual license registration is required, and enjoy it for a 1-year free!

Troubleshooting
- The app does not appear activated. Remove any trial copy, then reinstall using the giveaway package linked above. Do not replace it with a standard installer.
- The giveaway download is unavailable. Leave a comment so we can check the download. Include the error message or failed download behavior.