1
Q
Number
A
- The most general numeric type
- Includes exact/inexact numbers
- Includes complex numbers
2
Q
Real
A
- All of Racket’s real numbers
- Includes both exact rational and floating-point numbers
- No complex numbers
3
Q
Integer
A
Includes Racket’s exact integers
4
Q
Predicate function
A
A function that always returns a boolean value
5
Q
Boolean value
A
True or false
