5.1 Manual English calendar calculation manual (simple, 28/56/84 method) is now available
Quick manual and an academic thesis are also available.
5.1 Manual
5.1 Manual 
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...
5.1 Manual Special Tools for SpeedCalender are available now!
Summary for SpeedCalendar
The card below explains the basics of SpeedCalendar.
L2DV table
The table below describ...