HP 15c Collector's Edition Owner's Handbook Manual page 41

Two-Number Functions
| '
The Power Function
y
y
To Calculate
√
Percentages
Percent.
k
Section 2: Numeric Functions
⁄
+ - *
y
Keystrokes
2 v 1.4 y
2 v 1.4 " y
2 " v 3 y
2 v 3 ⁄ y
k ∆
keying in
v
x
÷
x
x
Display
2.6390
0.3789
-8.0000
1.2599
29
y