The aim of the present study was to examine opinions of the teachers of the mentally-handicapped toward the use of computers in mathematics course. The study included a case-study method as a qualitative research design. Five teachers of the mentally-handicapped participated to the study, and interviews were used as the main data collection tool. With an aim to examine whether the interviews are compatible, observations were made and collected data were analyzed via content analysis method. Results of this study point out that many teachers mentioned the fact that they try to use computer in their mathematics courses. In addition, teachers expressed their opinions as that the activities prepared with the help of computers should be given countenance to the voice support.