David's
Math
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last
update:

16-03-2019


David E. Dirkse

Welcome at DavData, the website for:

board games, puzzles, math, freeware and Delphi programming

new
algebra problem (2)
Pythagorean triples
difficult geometric puzzles solved by rotation
difficult geometric problem solved numerically by Delphi program
futoshiki puzzle helper version 2.0 4x4 to 9x9 puzzle sizes
tectonic puzzle helper version 3


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