Scheme Examples

(= 1 1)     evaluates to true
(+ 3 4)     evaluates to 7
(- 3 5)     evaluates to -2
(* 2 -1)     evaluates to -2
(= (- 3 5) (* 2 -1))     evaluates to true
(and (= 1 1) (= (- 3 5) (* 2 -1)))     evaluates to true
(or (= 1 1) (= 1 2))     evaluates to true

Links:

A Scheme Tutorial

If you know of another good tutorial, let me know.

Thanks,
Your TA