Arnt Gulbrandsen
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An advent calendar for nerds

By popular request: my postscript hack to produce a four-fours advent calendar.

Each of 24 printed pages bears a label such as 4+4/4-4 or 4+4×4+4. Print, fold e.g. as shown below, insert pralines, tape to a convenient wall.

I'm not very happy about the postscript code for the square root sign and still less about the presence of 4² and 44, but the result is good enough to be fun. (Update: Everyone who got a calendar in 2011 suggested improvements, which I have incorporated.)

And here's the postscript file and, for those with substandard printers, the same thing as PDF.