The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
I display biorhythm.I slide a graph and can change an indication date.Physical -> Cycle of 23 daysSensitivity -> Cycle of 28 daysIntellectual -> Cycle of 33 daysOriginally -> Original cycleA yellow line is a indication date.