21st. CENTURY EDUCATION-"TEACHERS OUT, LEARNERS IN" TEACHERS OUT LEARNERS IN BOOKLET | Page 57

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GeoGebra
 GeoGebra is an interactive mathematics software
program for learning and teaching mathematics and
science from primary school up to university level.
Constructions can be made with points, vectors,
segments, lines, polygons, conic sections, inequalities,
implicit polynomials and functions. All of them can be
changed dynamically afterwards.