DSE Calculator app for iPhone and iPad

An immensely user-friendly calculator that records every calculation result of you. Any time, you can quote the result into the new formulas.
Providing the most commonly used formulas in your life. Dont waste your time finding the algorithms anymore.
Visualizing your calculations, no longer need to touch your head, and think about "Hows the result came from~~".
Providing you the most frequently used arithmetic symbols in your life.

十分人性化的計數機，把你每一個計算結果記錄下來，隨時引用再作計算。
提供人生中最常用的公式，不用再浪費時間找算法。
形像化你的計算內容，不用再摸著頭思考"為何出現這個計算結果..."。
一生中最常用的運算符號，任你使用。