HP 9g

E-40
88 [ ] 55 [ 2nd ] [ % ]
[ ]
Example 18
 3 × 3 × 3 × 3 = 81
3 [
×
] 3 [ ]
[
×
] 3 [ ]
[ ]
8 Calculate 6 after calculating 3
×
4 = 12
3 [
×
] 4 [ ]
[ ] 6 [ ]
Example 19
 123 + 456 = 579 789 – 579 = 210
123 [ + ] 456 [ ]