RT Journal Article SR Electronic A1 HODAŇOVÁ, Jitka T1 PARAMETERS OF THE GEOMETRICAL OBJECTS IN THE GEOMETRICAL SOFTWARE ENVIRONMENT JF Trends in education YR 2010 VO 3 IS 1 SP 87 OP 90 UL https://tvv-journal.upol.cz/en/artkey/tvv-201001-0020.php AB On computer displayed geometry has different parameters in comparison to classical geometry using drawing compasses and rules. Constructions made with help of computer are not only modern and popular but first of all they are exact and prompt. Pupils and students preparing for school and working on lessons evaluate these qualities. The computer substituted the classical drawing on paper. The modern geometry is interactive and dynamic. The user can influence the situation on the screen and change the parameters of the objects.