Computer activities in an sbstract algebra course -- 小學職前敎師的機率直觀槪念 -- Studies' performance in learning calculus with computers -- A new derivation for the necessary condition for Q-superlinear convergence rate in SQP method -- Cognitive difficulties ralted to the understanding of the defintion of grop -- Bayesian estimation for random sample with one vague data -- 微積分電腦數學實驗之硏究 -- 抽象代數相關槪念之電腦數學實驗之硏究.