42,45c42,47
< # Exercise:
< # --------
< # Explain how this function works.
< # Hint: division by successive subtraction.
---
> # Exercises:
> # ---------
> # 1) Explain how this function works.
> # Hint: division by successive subtraction.
> # 2) Extend to range of the function.
> # Hint: use "echo" and command-substitution capture.
65a68,69
> # Successive calls to conversion function!
> # Is this really necessary??? Can it be simplified?
69c73
< exit 0
---
> exit