Sound a little like another “Da Vinci Code”? Exactly ... “The Last Supper” and “Mona Lisa” also draw the first true chess diagram? And is there a secret meaning to the diagrams?

Venn diagrams were created by hand drawing on paper, but with more and more classes online, the need to digitize is increasing. Venn diagrams are important mathematical tools that we all meet at ...

Then, just to really confuse you, the full set of tools is available only in Draw and Impress, although Write and Calc users might also want them. Yet despite these handicaps, OpenOffice.org's diagram ...

When drawing circuit diagrams, rather than drawing detailed components, we use simple symbols to represent the different components.