HP 30b - Business Professional Calculator User Manual page 72

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