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yes you are right. I never could understand it by myself!

aha! at last I can get over this step !

Your help is much appreciated, I modified code and omit c++ codes. adak your suggestions are so useful.
this code has problem again, after initializing number array, this array changes to 0 again!...

i came back!
Sean, in fact this calculator can get a mathematical term like 3+4*5/sin30 ! according to RPN at first program should put operands and operators in two different stacks

dear Adak I...

Hi guys. well im new in c programming and i want to program a formula calculator using stack.
Ive read in wikipedia about it algorithm but i really dont know how can i create a stack in c and...