While Martin Davis and later the research community of automated deduction used machine oriented calculi to find the proof for a theorem by automatic means, the Automath project of N.G. The year 2004 marked the fiftieth birthday of the first computer generated proof of a mathematical theorem: "the sum of two even numbers is again an even number" (with Martin Davis' implementation of Presburger Arithmetic in 1954). For instance, it remains complicated to simply put a mathematical text on the web (in a non-graphical format), because the "web-standard" MathML for mathematics is still poorly supported. Moreover, different tools use different data formats, which are often not very compatible. At any rate, it is not straightforward to combine several tools, like including graphics or computer algebra output in a paper. Several of these tools, and in particular T E X/L A T E X, are quite user unfriendly.
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For instance, mathematical texts are usually written with T E X/L A T E X, computations are done with numerical computation software or computer algebra systems, and presentations are done using Power Point or directly from a Pdf file. 2 Importance of the problem Currently, in the fields of mathematics, physics and computer science, people use different tools for each task.
A major challenge is to pro-vide a similar software for scientists, with more specific support for things like mathematical formulas, complex computations, presentations from a laptop and so on.
1 Statement of the problem Ordinary users have the choice between several office suits, like Microsoft Office, Open Office, or Star Office, for common desktop tasks, like text editing, drawing pictures or data administration.
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