Astronomy Calculators is a collection of simple astronomy calculators, offer users a collection of small and simple calculator utilities. The aim of these calculator is to help amateur astronomers with the mundane calculations for optics and telescopes, and for conversions.
Features:
1. Calculate focal ratios and the optical properties of your setup.
2. Convert distances.
3. Calculate satellite and planet orbital periods.
4. Unveil the true capabilities of your telescope and eyepieces.
5. Easy to use and resource-friendly.

The license of this software is Free, you can free download and free use this calculator software.