RT Journal Article SR Electronic A1 HODAŇOVÁ, Jitka T1 DYNAMIC MATHEMATICS AND ANIMATION JF Trends in education YR 2009 VO 2 IS 1 SP 451 OP 453 UL https://tvv-journal.upol.cz/en/artkey/tvv-200901-0102.php AB A lot of concepts are incorporated into mathematics and they are formulated as definitions and laws. Pupils and students master these definitions and laws from their memory learning. The mathematical models and mathematical computer programes support the correct understanding of the concepts. If the pupils and students solve the tasks with the help of mathematical computer program they control the accuracy of the definitions and laws on the frames and pictures. The skills insisted on the schematic pictures and frames have permanent character.