I'm working on postfix notation calculator. Using stacks (array implementation. I used code from my textbook, apart from functions, I'm allowed to do this. However, It does not work. After fixing lots of mistakes (from the code from the textbook), I get the following result:
I have 3 hours left to finish this, please help me.Enter the postfix string: 4 5 +
Value of the expression is: 0.
The code is in the file.
Thanks for taking a look at this.