The new era introduced as a technology era, is important as promising of a new world with modern methods in better and more useful teaching, which result in progress in qualitative teaching of students in education. The aim of the present study is to learn more about the effect of electronic courses in mathematics on students’ social growth, cognitive growth and the quality of learning. Statistical population includes 55 teachers of junior high school in city of Khash located in south part of Iran, selected randomly based on Morgan Tables. To gather data, social growth, cognitive growth and learning quality questionnaires were used. To analyze data one-way analysis of covariance (ANOCOVA) test was used. The results reveal that electronic educational courses were effective on social growth and cognitive growth but not on learning quality.