HP 10bII - Power Operator; Using Parentheses in Calculations

Power Operator
The power operator, C289, raises the preceding number
(y-value) to the power of the following number (x-value).
Example. Calculate 125°, then find the cube root of 125.
Keys: Display: Description:
@@®Щ@%@®
195312500
Calculates
1252.
DADOAD 5.00 Calculates the cube
eX) root of 125, or
1251/3,
Using Parentheses in Calculations
Use parentheses to postpone calculating ап intermediate result until
you've entered more numbers. You can enter up to four open
parentheses in each calculation. For example, suppose you want to
calculate:
(85-12)
If you enter ОООО), the calculator displays the intermediate
result, 0.35. This is because calculations without parentheses are
performed from left to right as you enter them.
3: Number Storage and Arithmetic 43