On Apr 5, 1:55 pm, 7stud <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote: > > using tkinter and python i now have a small App (that will hopefully > > soon be a fully functioning calculator) where u can push buttons and > > the corresponding number or operator is shown. > > > when u press 1, "1" appears on the screen, pres + and "+" appears etc. > > > at the moment every output overwrites the previous so what i want to > > do is obviosuly to add every new output to a string so that i can read > > the string and perform the calculation. > > > so i want: > > * when pushing the button push the token of the button onto a string > > * display the new string, ie "1+2" for example > > * want to be able to access this string when pressing calculate so i > > can figure out which operators should > > be done first so it can solve something like this: "(1+2*3)(3-4/2)" > > and not just simple "1+2"-stuff. > > > do i have to have some global string-variable in the GUIframework > > then? im not sure where to start... > > input = "hello" > input += " world" > print input > > --output:-- > hello > > A caculator program is pretty complex. Based on your rudimentary > questions, I don't think you have enough programming experience to > tackle a project like that yet.
--output:-- hello world -- http://mail.python.org/mailman/listinfo/python-list