Development of on-line learning materials with use of computer algebra system and integration of it to e-learning system

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E-learning is an education system with which one can study anytime and anywhere and one of the important functions is on-line test. Using on-line test one can solve true or false questions, multi-choice questions and so forth on the web and answers are automatically marked and stored on the system. In this study, we prepared e-learning system STACK in which one can solve questions with mathematical expressions and the answer is automatically marked with the use of computer algebra system. STACK opens the door to the possibility of on-line test and the development of e-learning in natural science subjects is expected.