8 business problems, The percent calculation menu – HP 20B User Manual
Page 53
Business Problems
53
8 Business Problems
Figure 1 The Menu Map for the Percent Calculation (%calc) Menu
The Percent Calculation Menu
Press
:#
to open the menu. There are four items in this menu: markup as a percentage of cost (
Mkup. %C
), markup
as a percentage of price (
Mkup. %P
)
,
part as a percentage of total (
Part%Tot.
), and percent change (
%Change
). These
items allow you to access sub-menus. Press
<
or
>
repeatedly to scroll to the desired sub-menu, then press
I
to open it. See Figure 1.
To change the value of a displayed item, key in a number and press
I
. Once you have entered all known data, press
<
or
>
repeatedly to scroll to the unknown item and press
=
to calculate it.
To return to the percent calculation menu, from anywhere within the menu or sub-menus, press
:#
.
To exit the menu, press
O