how to create a program about number system converter using c++
step 1: learn base conversion
step 2: learn c++
It's always worth searching DaniWeb to see whether your question has been asked before. I searched on the phrase "number system converter" and it threw up this thread, which may help you to get started:
i would like to create a program that converts a number system to another
If you repeat that search yourself you'll find additional similar threads, some using C, some using Java, but the ideas in those threads may still help you.
Good luck with your program.