"S9.com is a Wikipedia type system and everyone can edit biographies or even create their own. S9.com was established in 1997 and since then has grown into one of the largest biography sites on the planet."
Biographical Dictionary is a source of biographies. The collection of biographies is an open source built like Wikipedia. Everyone who loves history is invited to contribute to the Dictionary.
LaTeX is a high-quality typesetting system; it includes features designed for the production of technical and scientific documentation. LaTeX is the de facto standard for the communication and publication of scientific documents. LaTeX is available as free software.
LaTex is a document preparation system programmed in free software. It is also a document markup language. It is a very useful tool to create scientific documents in many fields, but especially appropriate to write mathematical expresions.
Among its advantages, it has different dictionaries for many languages, it can be adapted to any style class and gives a professional look to any document you write. In addition, manage of bibliography references is quite simple and flexible.
Latex comprises a collection of TeX macros and program to process TeX documents and convert them in PDF documents, but also in HTML, PS, EPS, DVI, etc.
The other main advantage is that LaTex document scan be opened with any text editor since they consist of plain text and do not contain hidden formatting codes or binary instructions.
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