BRAIN TEASING is easy when you try to communicate with a machine.  ( Computer Programming ).  This page has links to some problems you might find interesting.  Most from an era when large main frame computers first came into use.  The mid 1960's.  The components presented here are much simpler.

 

 

What tools are needed for bit fiddling with AND, OR, EOR ?, also helpful with interpreting unknown data ?  HEX_int ?  HEX_ ?

exploring these functions with test programs:

Sierpinski.kpl, TestBitFiddle.kpl, CohenSutherlandClipping.kpl

Microsoft addin library in C# for Phrogram

Official Phrogram Addin library sample by Walt Morrison

 

Just looking at four adjacent pixels,  what can be used to make simple raster output contours ?

 

 NOAA GEOS image contours

 

Reading strange messages by parsing with Get Character, Get Symbol ?

 

decoding the National Weather Service message

 

Vector math drawing tools help spin a wind barb drawing ?

 

windbarb.kpl and link to Phrogram forum