5.2 Video SpeedCalendar instructional video in Chinese is now available!
If you are a Chinese speaker, please find below the instructional video to calculate the day of the week!
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5. Publish
5.2 Video 
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...
2.1 Kurukuru Method Technique for day calculation is out! (in Japanese)
SpeedCalendar technique has been disclosed! Enjoy! (English version and Chinese version are coming soon.)