[plt-scheme] why no display in DrScheme beginning student level?

Karen North wrote:
 > Here is another idea for flexibility:
 >
 > (define TEST1 10)
 >
 > ;;areaDisc: number -> number
 > (define (areaDisc radius)
 >   (* radius radius 22/7))
 >
 > "The area of a disc with a radius of " TEST1 "is" (areaDisc TEST1)
 >
 > But, how can the result remain on one line?
 >

perhaps you want:

  (format "The area of a disc with a radius of ~s is ~s"
          TEST1 (areaDisc TEST1))