On Sep 12, 2:55 pm, Marc 'BlackJack' Rintsch <[EMAIL PROTECTED]> wrote: > On Wed, 12 Sep 2007 20:55:22 +0000, [EMAIL PROTECTED] wrote: > > I have implemented an RPN calculator in python but now I would like to > > make the stack size fixed. how can I transform the user's RPN > > expression from a stack overflow to a computable expression. > > > For instance, if my stack size is 2 then the some expression can't be > > computed but could be transformed as following: > > > Non computable expression: 1 2 3 + + --> stack size of 3 is needed > > Computable expression: 1 2 + 3 + --> stack size of 2 is needed > > > How can I define a formal way of transforming the non computable > > expression to computable one. > > > My RPN only implements: + - x % > > Why does this homework assignment limit the stack so severely!? ;-) > > Ciao, > Marc 'BlackJack' Rintsch
The problem is not with the stack being severely small or not, it could be 1000 but it should be fixed and that's the limitation. -- http://mail.python.org/mailman/listinfo/python-list