Revision history of "Date arithmetics"

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  • curprev 15:17, 17 July 2012Marek talk contribs 822 bytes +822 Created page with "Group by day of the week (using arithmetic). <div class='ht'> <div class=params>schema:gisq</div> <div> We can use modular arithmetic to calculate the day of the week. We hap..."