HP 9g Graphing manual 26 7 ! 7 4 ! = Math Math Math Math 27 7 ! 7 4 ! × 4 =

26 7 ! [ ( 7 – 4 ) ! ] = 840

7 [ MATH ] [ MATH ] [ MATH ] [ MATH ]

[ ] 4 [ ]

27 7 ! [ ( 7 – 4 ) ! × 4 ] = 35

7 [ MATH ] [ MATH ] [ MATH ] [ MATH ] [ ]

[ ] 4 [ ]

Example 32

1.25 [ 2nd ] [ X –1] [			]
28
2 [ X 2 ] [ + ] [		] 4 [ + ] 21
[	] [ + ] [ 2nd ] [		] 27
[	]
29

E-50