In the book VC++ in 21 days it's giving me this demonstration to write. I tried to run it and it gives these errors In function `int main()': smallNumber' undeclared (first use this function) for each function it appears in.) Thanks for any and all the help #include <iostream.h> int main() { short int smallerNumber; smallNumber = 32767; cout << "small number:" << smallNumber << endl; smallNumber++; cout << "small number:" << smallNumber << endl; smallNumber++; cout << "small number:" << smallNumber << endl; cin.get(); } "Classes will dull your mind destroy the potential for authentic creativity" [edited by - Noxxid on April 9, 2002 9:19:25 PM] [edited by - Noxxid on April 9, 2002 9:20:40 PM]

smallerNumber is not declared, you do however declare a variable called smallerNumber which you do not use. Change "short int smallerNumber;" into "short int smallNumber;"

Also, so you don''t get a warning from your compiler you might want to end your program with return 0;, but it isn''t neccesary.

Ok I am totally confused at what Anonymous jus said can someone plz clarify?

"Classes will dull your mind destroy the potential for authentic creativity"

The compiler shouldn''t warn on such a thing. main should implicitly return 0 if no other return-statement is given (according to the standard).

This is how you declared your variable:
short int smaller Number;

This is how you are using your variable
smallNumber = 32767;

These two names must match. Otherwise, you will get errors.

Ohhhh I c now thanks so much I didn't notice that

[edited by - Noxxid on April 9, 2002 9:37:37 PM]

Sorry about the confusion, a slight misspelling on my part. This is what I meant:

smallNumber is not declared, you do however declare a variable called smallerNumber which you do not use. Change "short int smallerNumber;" into "short int smallNumber;"

All variables must be declared before you use them (in C/C++), so if you want to use a variable called smallNumber you must have something similar to this:

short int smallNumber;

before any line where you use it (of course the type can be something else, but your book will explain all this).