HP 30b Business Professional Calculator - Manual (Page 69)

Business Problems 61
10 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:
1. Markup as a percentage of cost (Mkup. %C)
2. Markup as a percentage of price (Mkup. %P)
3. Part as a percentage of total (Part%Tot.)
4. 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.
DWN DWN
INPUT
DWN
:#
Mkup.%C Mkup.%P
Part%
Tot.
%Change
Cost
Price
Cost
Price
Mkup.%P
Total
Part
Part%
Tot.
Old
New
%Change
INPUT INPUT INPUT
DWN
Mkup.%C
DWN
Nb Period
DWN DWN
DWN