Thomas M. Browder, Jr.

Find the time of sunrise/sunset on a particular day

Provides utility functions for astronomical calculations

Provides an implementation of an AVL tree.

Provides class data for producing calendars

Provides a DateTime::Julian class (a child class of Raku's DateTime)

Provides a DateTime object that returns posix values with fractional seconds

Provides custom, scaled furniture outlines for home and office planning

Provides ability to work with Excel workbooks

Provides ability to create an Excel file from a text template

Longitude and latitude calculations using an ellipsoid model.