Periodical
A calendar to calculate the fertile days according to Knaus-Ogino
Copyright (C) 2012-2017 Arno Welzel
Translations:
French - Sébastien Gravier
Italian - Valerio Bozzolan
Spanish - Laura Arjona Reina
Dutch - Pander
Russian - Wjatscheslaw Stoljarski
This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.
"Periodical" is a calendar to calculate the fertile days according to Knaus-Ogino originally developed by Arno Welzel.
WARNING: It is not recommended to use this calendar to avoid pregnancy! There are more accurate methods, like measuring the basal body temperature.
Source:
https://github.com/arnowelzel/periodical
Download latest version at Google Play:
https://play.google.com/store/apps/details?id=de.arnowelzel.android.periodical
Download latest version at F-Droid:
https://f-droid.org/repository/browse/?fdid=de.arnowelzel.android.periodical
Download latest version as APK:
http://arnowelzel.de/download/Periodical.apk
Tools to used to build this project:
Android Studio
http://developer.android.com/tools/studio/index.html