18 Getting Started
%
Percent. Multiplies the displayed number by 100.
:#
Percent Calculation menu. Used for analyzing business
problems involving markup, margin, percent change, and
percent of total.
L
Recall. Recalls numbers stored in designated memory
registers.
:$
Store. Stores numbers in memory registers.
:
t
Memory menu. The Memory menu contains the following
items: the contents of memories 1–9 and 0, the number of
entries in the Cash Flow memory, the number of entries in
the Statistics memory, and the remaining memory slots
.
(D
Parentheses.
:u
Mode menu. Sets calculator preferences and number
display.
:E
Program. Creates programs. See the
HP 30b Business
Professional User’s Guide
for more information about
creating and editing programs.
}
Change sign. Changes the sign of a displayed number.
Table 1-3 Keys and Descriptions
Keys
Description