HP HP-25 User Manual

2+3)x @+
First solve for the
contents of these
parentheses. . . .
. and then for
these parentheses
. and then you would multiply the
two intermediate answers together.
You work through the problem the same way with the HP-25.
First you solve for the intermediate result of (2 + 3) . . .
Press Display
QR+3%x@4+5 2 (2.
5
3
Intermediate
result.
Then add 4 and 5:
(Since you must now key in another pair of numbers before you
can perform a function, you use the key again to-sepa-
rate the first number of the pair from the second.)
Procedure Press Display
Q23X 45y 4 5
5 7
Then multiply the intermediate answers together for the final
answer:
Procedure Press Display
f&?flfl;—%
Notilce that you didn’t need to write down or key in the inter-
mediate answers from inside the parentheses before you multi-
plied—the HP-25 automatically stacked up the intermediate

HP HP-25 Specifications

General

Brand	HP
Model	HP-25
Category	Calculator
Language	English