HP 9g Graphing Calculator - Manual (Page 50)

E-50
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