Wang's next big breakthrough came when he was studying economics at Soochow University in Taipei, and noticed how long it took his lecturers to draw charts and other illustrations on the blackboard. He thought how much time and energy could be saved, and at the same time how much extra interest could be stimulated, if the materials were presented in slide form.
大學時代，王中元念的是東吳大學經濟系。在本科課程方面，每當教授在講課之先，總要用十多分鐘在畫各種圖表或曲線上，他當時邊上課邊想，要是教授能先將圖表或曲線作成幻燈片，不是既省時又省力嗎？