16
Key
[y
x
]
[(] [)]
Function
Raises the displayed number (y) to the
power x.
Example: 7
[y
x
]
3
[=]
gives 343
Operations in parentheses are given priority
over operations outside parentheses.
Up to 3 levels of parentheses can be
entered. Pressing [=] closes any open
parenthetical expressions
Example:
20
[
÷
]
[( ]
2
[+]
3
[ )] [=]
gives 4
17
Key
[1/x]
[2
nd
] [
√
x]
[2
nd
][
x
√
y]
Function
Calculates the reciprocal of the number.
Example:
8
[1/x]
gives 0.125
Calculates the square root of the
the displayed number.
Example:
144
[2
nd
] [
√
x]
gives 12
Calculates the specified root (x) of the
displayed number (y).
Example:
125
[2
nd
][
x
√
y]
3
[=]
gives 5