hello i have changed my previous code about converting a statement to reverse polish notation but still i think it has serious problems .can any one help me solve it? i have just a little time!

...

hello i have wrote a program that converts a statement to sth like the example below please help me:
(9*(1+(3*8)))+(1+(4*5))
into:
9 1 3 8 * + * 1 4 5 * + +

while((c=getch())!='\0'){ /*i dont...

i mean getting a matemathical statement from user & calculate the result for example :
6=2*3+sin(1-cos(0))=6 .the program should result 6. i hope you will help me!

hello i have a question .how can i write a program that gets a statement from user & prints the result sth like below:
2*3+sin(1-cos(0))
please help me

i want to define a function that calculates the " integral" of a function

please teach me how to be a programmer