3 commits

Author	SHA1	Message	Date
Miloslav Ciz	7757a13862	Update math	2021-12-26 13:56:02 -06:00
Miloslav Ciz	78636443b5	Update PD	2021-12-26 12:56:29 -06:00
Miloslav Ciz	1636d5acf6	Add PD	2021-12-23 11:17:40 -06:00