HP 9g

E-39
20 [ 2nd ] [ ENG SYM ] [ ]
[ ]
[ ] [ + ] 0.15 [ 2nd ]
[ ENG SYM ]
[ ] [ ]
Example 15
 ( 5 – 2 × 1.5 ) × 3 = 6
[ ( ) ] 5 [ – ] 2 [
×
] 1.5 [ ]
[
×
] 3 [ ]
Example 16
 2 × { 7 + 6 × ( 5 + 4 ) } = 122
2 [
×
] [ ( ) ] 7 [ + ] 6 [
×
]
[ ( ) ] 5 [ + ] 4 [
]
Example 17
 120 × 30 % = 36
120 [
×
] 30 [ 2nd ] [ % ]
[ ]
7 88 55% = 160