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Explanation: "Beamer is a LaTeX class for creating slides for presentations. It works together with pdflatex, dvips and LyX. The name is taken from the German word "Beamer", a pseudo-anglicism for video projector. Video projectors/beamers are called "data projectors" in the UK." http://en.wikipedia.org/wiki/Beamer_(LaTeX)
FX Fraipont Belgium Local time: 14:00 Native speaker of: French PRO pts in category: 453
Explanation: C'est un petit appareil qui tient dans la main de celui qui explique la démonstration, et qui permet de pointer à distance le tableau ou l'écran avec un point rouge.
Laserstraal en nl pour expliquer le faisceau laser