Dr. Geo User's Manual -- Footnotes

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# Footnotes

(1)
  That means, being able to create some type of object from a single command but through different modalities. For instance, with the circle-building command, the user can create a circle from its center and another point or a length, or from a segment, etc. Of course, this command is represented by a single icon, and DR. GEO is expected to anticipate the user's construction. The immediate consequence is a reduction of the interface-learning burden for the user, while a large number of construction modes are offered.

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