5.1 Manual

[English/Japanese/Chinese] Available quick manual for calculating day of week (28/56/84 method)

You do not know how to calculate the day of the week? Why don't you master 28/56/84 method? It enables to calculate th...

Special Tools for SpeedCalender are available now!

Summary for SpeedCalendar The card below explains the basics of SpeedCalendar. L2DV table The table below describ...

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