Licences and credits
The calculators use original calculation code and these libraries and datasets.
- math.js 15.2.0: Apache 2.0
- Astronomy Engine 2.1.19: MIT
- BHAS CPI: CC0 1.0
- 2024 Compendium of Physical Activities: unchanged MET values with attribution
- PVGIS: European Commission, Joint Research Centre
- Rates By Exchange Rate API