hexadecimal

hi there how to get hexadecimal and binary value of any number?

Prologue: Intoduction Well, I've been learning the Assembly Language(i'm a quite a n00b to it) and it requires helluva knowledge of binary and hexadecimal. Luckily, I knew the basics earlier(thank god). But, I've seen on many forums that people really get stuck at Binary and Hexadecimal...