Functions of mobile devices [2] Palmtops can be connected to other devices by means of IrDA, Bluetooth as well as wireless networks WiFi and Wimax. To install software or synchronize with desktop computers in order to secure data palmtops use a USB port or Bluetooth. The most popular palmtops are devices which are controlled by such operating systems as Windows Mobile, Palm OS and Nokia Internet Tablet OS [Metcalf, 2006]. The model of supporting learning by means of mobile devices [3] Due to their functionalities and mobility, palmtops are excellent modern didactic means which support learning many subjects including Science even in the area of laboratory work. Using palmtop with multimedia experiment instructions whilst doing an experiment on obtaining ethyne 39