title: What does 'zero of the function will be found within the precision limit ϵ = 10 - 3' mean in this?
body: <p>Well, the question is; "Write a C code that finds zero of a function y = ax + b, without solving the equation. The zero will be found within the precision limit ϵ = 10 - 3. You'll start at x=0, and move x in the proper direction until |y|&lt; ϵ."</p>
  
  <p>I'm a newbie, to programming, and don't know anything about this ϵ thing either.
  Help me out!!</p>