C++
Many people know the programming language of C++. If you want a compiler, you can get a free one at the Quincy 99 website. You can go to a very good C++ message board here. All these programs are ANSI complient and should run on any computer.
Download guess_number.exe
guess_number source code
Download welcome.exe
welcome source code
Download filemanagement.exe
filemanagement source code
Download add.exe
add source code