(setq calc-dumb-map (make-sparse-keymap))
(define-key calc-dumb-map "\n" 'scroll-up-command)
(define-key calc-dumb-map " " 'scroll-up-command)
+ (define-key calc-dumb-map [?\S-\ ] 'scroll-down-command)
(define-key calc-dumb-map "\177" 'scroll-down-command)
(define-key calc-dumb-map "<" 'scroll-left)
(define-key calc-dumb-map ">" 'scroll-right)