iv
41. X ................................................................................. 41
42. 1#2# Y ...................................................................... 42
43. Y .................................................................................. 42
44. XLp ..................................................................................... 44
45. WinPlot ...................................................................................... 45
46. ..................................................................................... 46
47. WinPlot ...................................................................................... 47
1. ............................................................................................. 3
2. ................................................................................ 46
3. ........................................................................................... 46
4. ............................................................................. 47