1.can i display all the prompt all question before get the information??if can pls teach..
2.if let say have a programme got 2 formula(a,b),if i insert information for a...if i click enter..is the answer will come out for a,and b remain unchanged??if can pls teach..
3.let say a programme has several choose for formula(a,b,c,d),the scanf is either one of the them,then how to come out with a new window with that formula?