【實用商業app】Proportion Calc|最夯免費app-綠色工廠好玩App

1.0：2.0＝Ｘ：6.0It's a simple proportion calculation.Can you solve the following equations immediately?1.0：2.0＝Ｘ：6.02.0Ｘ＝6.0Ｘ＝3.0If you do not understand the meaning of the proportion calculation, it might give you hard time.The app gives you a right answer quickly, if only you put figures into box of a2 or b2. It calculates based on proportion of "a1:b1".The triangular figure helps you with imaging a proportion.At the same time, its hypotenuse is also calculated.What's a so convenient app!Why don't you buy it?