#lang racket

; read in a series of integers, terminated by 0, and output the maximum.


; read in a number and output if it is odd or even. 

; read in a number and print out its square (include negative numbers)
 
; read in a number and output how many binary digits are required to
; represent it. (ignore negative numbers - they would always need 16 bits.)

; read in a number and output how many one's it contains.

; read in a number and output if it is odd or even parity

; read in a positive number n and output the first n Fibonacci numbers

;; multiply or divide a positive integer by a power of two
;; input number and then power
;; power is positive for multiply, negative for divide

;; program that calls skiperr