## dude7788's Profile User Rating:

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1. #### In Topic: infix to postfix calculator, implement sin cos and x&y variables?

Posted 27 Sep 2012

Skydiver, on 27 September 2012 - 06:30 PM, said:

It would have been good if you had pointed out that only single digits were accepted.

So what is happens if you have '4 + x'? Would it just print out "output: postfix notation 4x+", and not have a followup result line?

It shows a message "invalid output" and then exits, I'm sorry for not including this
2. #### In Topic: infix to postfix calculator, implement sin cos and x&y variables?

Posted 27 Sep 2012

Skydiver, on 27 September 2012 - 05:27 PM, said:

Is it meant to be a calculator, or merely a translator?

Given '4 + 12'? is the output supposed to be '16' or is it supposed to be '4 12 +' ?

Have you covered trees yet in your class? If you haven't covered trees, have you covered stacks?

Its a calculator an it uses stacks, and it shows both, the ṕostfix notation and the result,but int can only do it with one digit numbers an example is
input: 4+1
output: postfix notation 41+
Result 5
3. #### In Topic: Converting and Evaluating Infix, Postfix and Prefix Expressions in C

Posted 22 Sep 2012

Thnx!!
but just one question,in the one with the stack, this only works for displaying the postfix/prefix notation, how would you make the solution of the expression? for example you put 2+4, and this only works to show 2 4 +, but how would you make the actual operation and show the final result, which is 6?

dude7788, on 22 September 2012 - 06:19 PM, said:

Thnx!!
but just one question,in the one with the stack, this only works for displaying the postfix/prefix notation, how would you make the solution of the expression? for example you put 2+4, and this only works to show 2 4 +, but how would you make the actual operation and show the final result, which is 6?

I tried by myself editing the code, but I don't really know how to do it, please

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