Demonstrates how to get numbers from user input using READLINE. It can also be used with different bases, e.g. base 2, 10, 16, etc, up to base 36 (using characters a-z for numbers greater than 10)
- Computes BASE^EXP (or BASE to EXP-th power)
- Can only handle positve values for EXP and 0.
- Recursive
- Converts the N-th word of the user input to integer. To be used after calling READLINE
- If BASE is not provided, it defaults to 10.
- actual conversion is done by GET-DIGIT and TO-INTEGER routines