;3.8 Functions on numbers
;Adam Nelson
;Chet Tobrey

(egs :3.8
     (eg '(+ 4 2)
         :of "Addition"
         :out '6)
     (eg '(- 4 2)
         :of "Subtraction"
         :out '2)
     (eg '(/ 4 2)
         :of "Division"
         :out '2)
     (eg '(> 100 99)
         :of "greater than (also >=)"
         :out 't)
     (eg '(= 100 100)
         :of "equals also (/=, not equal)"
         :out 't)
     (eg '(random 100)
         :of "random integer from 0 to 99")
     (eg '(expt 4 2)
         :of "exponentiation (also exp, log, and ex"
         :out '16)
     (eg '(sin pi)
         :of "sine (also cos, tan, etc)")
     (eg '(asin 0)
         :of "arcsin (also acos, atan, etc)"
         :out 0.0)
     (eg '(min 2 3 4)
         :of "min (also max)"
         :out '2)
     (eg '(abs -3)
         :of "absloute value"
         :out '3)
     (eg '(sqrt 4)
         :of "square root"
         :out '2)
     (eg '(round 4.1)
         :of "round off (also truncate, floor, ceiling)"
         :out '4)
     (eg '(rem 11 5)
         :of "remainder (also mod)"
         :out '1))