HP 30b - Business Professional Calculator - Page 72

Business Problems64
3. 30 is what % of 80?
To reset the menu items to their default values, with any item of the %calc menu displayed
press :x. With %Calc displayed, press I to reset the menu, or O to
cancel. Press
O
to exit the menu.
Table 10-3 Percent Change Example with Compounding
Keys Display Description
The current value of %Change for the given
data.
<6I
Inputs 6 for the number of compounding
periods.
>=
Calculates the percent change between the
old value and the new value over six
compounding periods.
Table 10-4 Part % of Total Example
Keys Display Description
:#
Opens the %Calc menu.
<<
Scrolls to the Part %Total menu item.
I
Opens the Part as %Total sub-menu.
80I
Inputs 80 for Total.
<30
I
Inputs 30 for Part.
<=
Calculates the value of Part%Total for
the given data.