It appears you don't have a PDF plugin for this browser. You can click here to download the reference manual.
0.1.3 by Jonathan Berrisch, 6 years ago
https://github.com/BerriJ/UnitCircle
Report a bug at https://github.com/BerriJ/UnitCircle/issues
Browse source code at https://github.com/cran/UnitCircle
Authors: Jonathan Berrisch
Documentation: PDF Manual
GPL-3 license
See at CRAN